Caitlin Hayden

Mary Beth Bruggeman spent eight years as an active-duty Marine combat engineer. Upon leaving active duty, Mary Beth worked for iRobot Corporation for four years, advancing their work on counter-IED robotics, spent time as a stay-at-home mom and Marine wife, and then started a fitness and nutrition coaching business.

Mary Beth joined the Mission Continues team in 2015 as the Executive Director for the Southeast Region. In 2019, Mary Beth assumed the role of President of The Mission Continues. Mary Beth has degrees from the U.S. Naval Academy (BS) and Georgetown University (MPP), and is an alum of the George W. Bush Institute’s Stand-To Veteran Leadership Program. She lives in Fairfax Station, VA, with her husband Brian, a retired Marine, and their three kids.

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Brandi Vann, PhD, is a globally experienced national security executive, currently serving as Director for Strategy at Draper and a member of the Board of Directors of 908 Devices. In these roles, she helps organizations strengthen their business and technical strategies and engage effectively with national security communities worldwide.

In July 2025, Dr. Vann concluded a distinguished career in the U.S. Department of Defense (DoD), where she most recently served as the Acting Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs (ASD(NCB)) and as the Principal Deputy Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs. In this capacity, she advised the senior Defense Department leadership on  management and execution of programs related to nuclear weapons, biological and chemical defense programs, chemical demilitarization, countering weapons of mass destruction, and treaty management. She also served as Staff Director of the Nuclear Weapons Council, leading efforts to assess and maintain the U.S. nuclear weapons stockpile, ensure sustainment and operations of deployed systems, and plan for modernization. Across her DoD tenure, Dr. Vann contributed to every phase of capability development, including policy, strategy, research and development, acquisition, and operations. Before serving as the Principal Deputy Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs she was the Deputy Assistant Secretary of Defense for Chemical and Biological Defense. She oversaw a multibillion-dollar portfolio spanning chemical and biological defense, counterproliferation, countering weapons of mass destruction, nuclear forensics, international cooperation, and business operations. Notably, she co-led the first-ever Biodefense Posture Review (BPR), which fundamentally reformed DoD policy, strategy, and execution of global biodefense operations. In 2023, President Biden awarded Dr. Vann the Meritorious Presidential Rank Award for her transformative contributions to biodefense and her support of critical DoD initiatives.

Before joining the Department of Defense, Dr. Vann served as Director of Laboratories at Nephron Pharmaceuticals Corporation and was a visiting scientist at the Federal Bureau of Investigation. Dr. Vann holds a PhD in Chemistry from the University of South Carolina, where she specialized in analytical chemistry and applied statistics.

With over 30 years of government service, Katharina (Katrina) McFarland is widely recognized as a leading subject-matter expert on government procurement. She served as Chairman of the Board of Army Research and Development at the National Academies of Science, and as a Director on the Boards of SAIC and Transphorm, She was previously the Assistant Secretary of Defense for Acquisition (2012 to 2017) and acting Assistant Secretary of the Army (Acquisition, Logistics & Technology) (2016-2017). She was President of the Defense Acquisition University from 2010 to 2012 From 2006 to 2010, Ms. McFarland was the Director of Acquisition, Missile Defense Agency. She is an accredited Materials, Mechanical, Civil and Electronics Engineer. She has received an Honorary Doctoral of Engineering from the University of Cranfield, United Kingdom; the Presidential Meritorious Executive Rank Award, the Secretary of Defense Medal for Meritorious Civilian Service Award, the Department of the Navy Civilian Tester of the Year Award, and the Navy and United States Marine Corps Commendation Medal for Meritorious Civilian Service. Ms. McFarland brings substantial experience with the U.S. Department of Defense, Department of Army, and Intelligence Community procurement with focus on Space applications, Artificial Intelligence, Cyber, and IT technologies.in defense acquisition, program management, logistics and technology.

Nicholas Rasmussen was the Executive Director at Global Internet Forum to Counter Terrorism (GIFCT). Previously, he was the Senior Director for National Security and Counterterrorism Programs at the McCain Institute for International Leadership. Rasmussen is a national security professional with over twenty-seven years in U.S. government service, including in senior counterterrorism posts at the White House and in the U.S. Intelligence Community from 2001 to 2017. He concluded his government career as Director of the National Counterterrorism Center (NCTC), leading more than 1,000 professionals from across the Intelligence Community, federal government, and federal contractor workforce.

Rasmussen served in senior posts across three administrations, including as Special Assistant to the President and Senior Director for Counterterrorism at the National Security Council staff under Presidents Bush and Obama before being appointed Director of NCTC by President Obama and continuing his tenure at the request of President Trump’s administration. From 1991-2001, he served in policy positions at the Department of State, focused on the Middle East.

John B. Bellinger III is a partner and co-chair of the Global Law & Public Policy Practice at Arnold & Porter. He is also Adjunct Senior Fellow in International and National Security Law at the Council on Foreign Relations.

Mr. Bellinger served as The Legal Adviser for the U.S. Department of State under Secretary of State Condoleezza Rice from 2005 to 2009. He previously managed Secretary Rice’s Senate confirmation and co-directed her State Department transition team. He received the Secretary of State’s Distinguished Service Award in January 2009.

Mr. Bellinger served from 2001 to 2005 as Senior Associate Counsel to the President and Legal Adviser to the National Security Council at the White House. He previously served as Counsel for National Security Matters in the Criminal Division of the Justice Department during the Clinton Administration (1997-2001), Special Counsel to the Senate Select Committee on Intelligence (1996), and Special Assistant to Director of Central Intelligence William Webster (1988-1991).

Dr. Laura Taylor-Kale is the Senior Fellow for Geoeconomics and Defense at the Council on Foreign Relations (CFR) where she conducts research on economic security and defense industrial policy and investments. She is also a Senior Research Fellow in the Blue Center for Global Strategic Assessment at the Yale Jackson School of Global Affairs.

From 2023-2025, Dr. Taylor-Kale served as the first Presidentially-Appointed, Senate-Confirmed Assistant Secretary of Defense for Industrial Base Policy.  In her role, she led all defense industrial strategy, investments, and planning, including the Defense Production Act and industrial base investments, supply chain resilience, small business programs, international defense industrial cooperation, and economic security and review of domestic mergers and acquisitions and foreign investments (CFIUS).  She led the Department of Defense in developing and publishing the first-ever National Defense Industrial Strategy and Implementation Plan.  During her tenure, she led the expansion of strategic investments in rare earth elements, critical and strategic materials, solid rocket motors, and other upstream supply chain materials.  To further accelerate investment in the Defense Industrial Base, Dr. Taylor-Kale launched the DoD’s largest other transaction contracting vehicle, the Defense Industrial Base Consortium.  During her tenure, she led a record of $3.3 billion of grants to manufacturing and defense industrial supply chain businesses through the Defense Production Act and the Industrial Base Fund.  Additionally, she established the first Board of Directors for the strategic and critical materials for the National Defense Stockpile.

Dr. Taylor-Kale is a policy executive, strategist, and organizational behavior scholar with extensive experience in finance, business, economic policy and managing in complex organizations.  From 2021-2023, she served as the Fellow for Innovation and Economic Competitiveness at the Council on Foreign Relations (CFR) and contributed to CFR’s Renewing America Initiative. Her CFR research focused on strategic innovation, industrial policy, and the changing nature of work. From 2017-2018, she was an International Affairs Fellow at CFR and the deputy director of CFR’s independent task force on the future of the U.S. workforce, co-authoring of the task force’s published report “The Work Ahead: Machines, Skills, and U.S. Leadership in the Twenty-First Century.”

Previously, Dr. Taylor-Kale served in the Obama Administration from 2014-2017. As the Deputy Assistant Secretary of Commerce for Manufacturing in the International Trade Administration, Dr. Taylor-Kale led multiple teams of international trade specialists and oversaw policies and programs to promote exports of U.S. manufactured goods and economic competitiveness in health and information technology; energy and environmental technologies; and transportation and machinery sectors. Prior to the Department of Commerce, Dr. Taylor-Kale was the senior advisor for policy and operations at the U.S. Overseas Private Investment Corporation where she coordinated policies for OPIC’s $5 billion portfolio of investments in Asia and sub-Saharan Africa. Dr. Taylor-Kale joined the Obama Administration from the World Bank where she was special assistant to the Vice President for sustainable development and climate change.

From 2003-2012, Dr. Taylor-Kale was a career Foreign Service Officer in the U.S. Department of State and served in diplomatic postings in India as a consular officer and special assistant to the ambassador, Côte d’Ivoire as a political affairs officer, Afghanistan as an economic affairs officer, and in Washington, DC in the Bureau of Economic and Business Affairs as a financial economist. She received multiple awards for her economic analysis and from 2010-2011, was the first Foreign Service Officer to serve as an advisor to the U.S. Executive Director on the boards of the World Bank Group.

Dr. Taylor-Kale holds a B.A. in economics and anthropology from Smith College, an M.P.A. in development economic and demographic studies from Princeton University’s School of Public and International Affairs, an M.B.A. in finance and management from the New York University’s Stern School of Business, and a Ph.D. in management science and engineering with a specialization in Organizations, Technology, and Entrepreneurship from Stanford University’s School of Engineering. Her scholarly research examines grand challenges, ecosystem design, and how organizations leverage technology to build cross-sector strategic partnerships. Dr. Taylor-Kale is a life member of the Council on Foreign Relations and is the recipient of numerous educational and professional awards, including the Zhi-Xing Eisenhower Fellowship, International Career Advancement Program, Thomas R. Pickering Foreign Affairs Fellowship, and the David Boren Scholarship for Critical Language Study. She is a member of the Truman National Security Project and an alumna of the Leadership Council for Women in National Security.

Nilmini Rubin is the Chief Policy Officer for Hedera, a fast and energy-efficient global blockchain platform. She co-founded Fix the System, a coalition of organizations committed to election integrity and democracy strengthening in the U.S. Previously, Nilmini headed Tetra Tech’s global team implementing energy and internet projects that resulted in millions of people gaining access to electricity for the first time. For twelve years, she served as a senior aide on both the U.S. Senate Foreign Relations Committee and the U.S. House Foreign Affairs Committee where she spearheaded the passage of legislation to provide electricity access in Africa, increase global internet access, reduce corruption through transparency, and reform U.S. foreign assistance. As a Director at the National Security Council under President George W. Bush, Nilmini helped secure agreements on non-proliferation, international health and foreign aid. Nilmini was named a Young Global Leader by the World Economic Forum and is a member of its Experts Network. She is an advisor to the Women’s Democracy Network and Energy Growth Hub, and a member of the Council on Foreign Relations, the Academy of the Global Teacher Prize and the International Mindfulness Teachers Association.

Alexis Lasselle Ross is the President of Apex Defense Strategies, LLC, a strategic advisory firm that guides companies as they navigate the defense market. Ross founded Apex after more than two decades as an executive in the public and private sectors. Her consultancy draws upon this experience to offer companies a unique blend of strategic planning and executive advising on the  Department of Defense’s acquisition system, the U.S. defense industrial base, and the planning and execution of large-scale change.

Most recently, Ross performed strategic planning at General Dynamics, advising corporate leadership on managing critical issues and navigating government business. Prior to entering the private sector, Ross served in a variety of senior positions in both the  executive and legislative branches of the U.S. government. She served as the deputy chief of staff to the Secretary of Defense,  advising the secretary and ensuring execution of Department of Defense policy, programs, and organizational restructuring.  During her tenure, she performed the duties of the undersecretary of defense for personnel and readiness, leading the  department’s healthcare and human resources systems during the early response to the COVID-19 pandemic. Previously, Ross served as the deputy assistant secretary of the army for strategy and acquisition reform, where she designed and implemented improvements to the Army acquisition system, including new policies on intellectual property and advanced manufacturing.

Prior to her appointments to the Department of Defense, Ross served on the Armed Services Committee in the U.S. House of Representatives as a professional staff member writing legislation on government procurement and acquisition reform. Ross also worked at the Military Compensation and Retirement Modernization Commission as a deputy director responsible for designing alternatives to the DOD healthcare system. Prior to her work on the Commission, Ross served for seven years as a civil servant advising senior Army leadership in the Pentagon. Ross began her career at the Armed Services Committee in the U.S. House of Representatives where she served in several capacities, including as a professional staff member on the Readiness Subcommittee.

Ross is active in both the public policy and business communities. She is a board director for MxD, a member of the Army Science Board, a non-resident senior associate at the Center for Strategic and International Studies (CSIS), a senior fellow at the National Defense Industrial Association, a member of the Leadership Council for Women in National Security (LCWINS), and a principal at Pallas Advisors. Ross received a doctorate in public policy from George Mason University and a Master of Science degree in national security and strategic studies from the Naval War College.

Dani Schulkin is Director of the Democracy Initiative at Just Security at NYU School of Law. Schulkin formerly served as Senior Counsel to the Deputy Attorney General and Senior Advisor to the Homeland Security Advisor at the White House. Her work spans national security, democratic governance, and administrative law.

Schulkin served as Senior Counsel to the Deputy Attorney General at the U.S. Department of Justice, where she coordinated national security policy and led on issues ranging from election security and foreign malign influence to international synthetic opioid trafficking. She was also Senior Advisor to the Homeland Security Advisor at the National Security Council (NSC), managing domestic crisis response, terrorism prevention, and other domestic security issues from the White House. She began her service in the Biden Administration with the Office of the Staff Secretary, working on the team charged with reviewing all presidential briefing memos and executive actions.

‍Schulkin has held roles at the Administrative Conference of the United States (ACUS), the New York Attorney General’s Bureau of Internet and Technology, and the U.S. Attorney’s Office for the Eastern District of New York. She began her legal career as a Legal Fellow at Just Security. Her writing has appeared in The New York Times, Slate, Yale Journal on Regulation, the University of Pennsylvania Regulatory Review, and Just Security, covering domestic terrorism, democratic governance, and national security. She holds a J.D. from NYU School of Law, where she received the Vanderbilt Medal and was Editor-in-Chief of the Journal of Legislation and Public Policy, and a B.A. from Harvard University, where she was Captain of the Harvard Women’s Swim and Dive Team.

Dr. Nora Bensahel is a Professor of Practice at the Johns Hopkins School of Advanced International Studies (SAIS), and a Contributing Editor and Columnist for War on the Rocks. She is also an Adjunct Research Staff Member at the Institute for Defense Analyses. Her work focuses on the future of warfare, and military strategy and operations. She is the co-author of the recently-published book Adaptation Under Fire: How Militaries Change in Wartime, and previously served on the Board of the Leadership Council for Women in National Security (LCWINS).

Before joining SAIS, Dr. Bensahel was a Distinguished Scholar in Residence at the School of International Service at American University and a Non-Resident Senior Fellow at the Atlantic Council. Prior to that, she was a senior fellow and co-director of the Responsible Defense Program at the Center for a New American Security. Her early career included over eleven years at the RAND Corporation, where she rose to the position of senior political scientist. She also spent more than a decade as an adjunct professor in the Security Studies Program at the Edmund A. Walsh School of Foreign Service, Georgetown University, where she taught graduate classes and received the Alumni Leadership Council Teaching Award.

Dr. Ariane Tabatabai is the Vice President of Research, Security and Defense, and Senior Fellow, Middle East, at the Chicago Council on Global Affairs. Previously, she served in a number of roles at the U.S. Department of State and Department of Defense, including as Deputy Assistant Secretary of Defense for Force Education and Training, Chief of Staff to the Assistant Secretary of Defense for Special Operations and Low-Intensity Conflict, and Senior Advisor to the Under Secretary of State for Arms Control and International Security. Dr. Tabatabai has held positions in think tanks and academia, including as the Director of Curriculum and a Visiting Assistant Professor in the Security Studies Program at Georgetown University, Associate Political Scientist at the Rand Corporation, Middle East Fellow at the German Marshall Fund of the United States, Adjunct Senior Research Scholar at Columbia University, Senior Associate at the Center for Strategic and International Studies, and Civilian Consultant at the North Atlantic Treaty Organization (NATO). Dr. Tabatabai holds a Ph.D. from King’s College London and completed a Postdoctoral Fellowship and a Stanton Nuclear Security Fellowship at Harvard University. She is a Contributing Editor at Lawfare and a Non-Resident Scholar at Georgetown University. She is the author of No Conquest, No Defeat (Oxford University Press, 2020) and co-author of Triple Axis – Iran’s Relations with Russia and China (Bloomsbury, 2018). Her work has appeared in the New York Times, the Washington Post, the Financial Times, Foreign Affairs, and International Security.

Rosa Brooks holds the Scott K. Ginsburg Chair in Law and Policy at Georgetown University Law Center, where she has served as a tenured professor since 2006. She also serves as Georgetown Law’s Associate Dean for Centers and Institutes and as co-director of Georgetown’s Center on Innovations in Public Safety. Brooks is also an Adjunct Senior Scholar at West Point’s Modern War Institute, an ASU Future of War Senior Fellow at New America, and HFX Fellow with the Halifax International Security Forum and a founder of the Leadership Council for Women in National Security (LCWINS).

From April 2016 to November 2020, she served as a reserve police officer with the Washington, DC Metropolitan Police Department. In 2019, she received the Chief of Police Special Award. Brooks has combined law teaching and scholarship with stints in government service and a career in journalism. From 2009-2011, Brooks served as Counselor to Undersecretary of Defense for Policy Michele Flournoy. In July 2011, she received the Secretary of Defense Medal for Outstanding Public Service. She previously served as Senior Advisor to the Assistant Secretary of State for Democracy, Human Rights and Labor.

Virginia Blaser is a tech-driven CEO, founder, and AI inventor with over three decades of experience leading organizations and driving innovation across the public and private sectors. As the CEO and founder of Blaser Global, she advises corporations, NGOs, and governments on leadership, operational strategy, and the ethical integration of AI into diplomacy, development, and foreign affairs. A serial entrepreneur, Virginia has launched and scaled multiple startups, secured venture capital investments, and developed AI-powered tools, including a patent-pending platform that transforms images into customizable products — merging technology, design, and accessibility at scale. Before entering the private sector, Virginia served as a senior U.S. diplomat for over 30 years across three continents — including five years as acting U.S. ambassador to five countries. She managed billion-dollar budgets, navigated complex political and economic challenges, and advanced U.S. interests on the global stage. Virginia is the author of The Manager’s Workbook, described by the Foreign Service Journal as a “must-read” for aspiring and experienced leaders. She serves on several boards, including Cape BPO, the President’s Advisory Council at Pathfinder International, and the board of IRPIA, an Africa-based think tank focused on innovation, governance, and policy impact. She also sits on the advisory boards of Tilting Futures and Crisis Path, helping shape global strategies on leadership, innovation, and resilience. Her work reflects her passions: empowering women and youth, advancing innovation, and shaping the future of leadership in the age of AI.

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Anne Witkowsky previously served as Assistant Secretary of State for Conflict and Stabilization Operations.

Previously, Witkowsky served as the Co-Director of the Task Force on U.S. Strategy to Support Democracy and Counter Authoritarianism, a partnership of Freedom House. From 2014-2016, she served as the Deputy Assistant Secretary of Defense for Stability and Humanitarian Affairs in the Office of the Secretary of Defense (OSD), U.S. Department of Defense (DoD). She held policy responsibility for peacekeeping and stability operations; humanitarian assistance and disaster response; DoD support to the security of U.S. embassies; and international humanitarian law, rule of law and protection of human rights. Her office coordinated the DoD policy role in key Administration initiatives, such as the U.S. Ebola response, strengthening United Nations peace operations, and support to embassy security.

From 2009-2013, she served as the Deputy Coordinator for Homeland Security and Multilateral Affairs (DAS equivalent) in the Bureau of Counterterrorism (CT), U.S. Department of State, with responsibility for terrorist designations and sanctions; strengthening international transportation security; developing bilateral information sharing agreements; and building CT cooperation within multilateral organizations. In 2012-2013, she also served as the CT Bureau’s Acting Principal Deputy Coordinator.

Victoria J. Taylor is director of the Iraq Initiative in the Atlantic Council’s Middle East program.  A national security leader with over two decades of experience in the Middle East and Europe, she led large interagency teams and advanced U.S. economic and national security interests as a Deputy Assistant Secretary, Deputy Chief of Mission, and at the White House National Security Council.

Prior to joining the Council, Taylor served as a career Senior Foreign Service Officer with the rank of Minister Counselor.  She served most recently as Deputy Assistant Secretary for Iraq and Iran in the State Department’s Bureau of Near Eastern Affairs, where she advised senior State Department leaders on Iraq and Iran in the aftermath of the Gaza conflict.  She was the Director for North African Affairs from 2021 to 2023 and the Deputy Chief of Mission at the U.S. Embassy in Croatia from 2018 to 2021. She has served as the Deputy Director for Western Europe in the Bureau of European and Eurasian Affairs and as the Director for Balkans, Caucasus, and Black Sea Affairs at the National Security Council, where advanced Montenegro’s NATO accession and strengthened U.S. defense cooperation with Georgia. Other Washington assignments include positions in the Office of Iranian Affairs, on the Turkey Desk in the Office of Southern European Affairs, and as an International Affairs Fellow at the Council on Foreign Relations. Taylor has served overseas at U.S. Embassies in Georgia, Tunisia, and Pakistan, as well as at the U.S. Consulate in Lahore, Pakistan.

Taylor hails from Springfield, Missouri. She holds a bachelor’s degree in international relations and diplomatic history from the University of Pennsylvania and a master’s degree in development studies from the London School of Economics and Political Science. She speaks French, Mandarin, Russian, and Urdu. She served as Chair of the American International School of Zagreb’s Board of Trustees from 2019-2021.  She is member of the Council of Foreign Relations.  She has been featured on BBC, CNN, Al Sharqiya, Iran International and other international media outlets.

Ambassador Nina Hachigian (ret) was the first U.S. Special Representative for City and State Diplomacy at the U.S. Department of State from 2022 to 2025 in the Biden Administration.  Before that, Amb, Hachigian served as the first Deputy Mayor for International Affairs for the City of Los Angeles for five years. From 2014 to 2017, Ambassador Hachigian served as the second U.S. Ambassador to the Association of Southeast Asian Nations (ASEAN) in the Obama Administration.  Earlier, she was a Senior Fellow and a Senior Vice President at the Center for American Progress focused on Asia policy and U.S.-China relations. Before that, Ambassador Hachigian was the director of the RAND Center for Asia Pacific Policy for four years. 

Ambassador Hachigian served on the staff of the National Security Council in the Clinton White House from 1998-1999. She is the editor of Debating China: The U.S. – China Relationship in Ten Conversations (Oxford University Press, 2014) and co-author of The Next American Century: How the U.S. Can Thrive as Other Powers Rise (Simon & Schuster, 2008).  She went to Yale University and got her JD from Stanford University.

Prior to her appointment as Principal Deputy Assistant Secretary in the Bureau of Conflict and Stabilization Operations, Elizabeth Fitzsimmons served as the U.S. Ambassador to the Togolese Republic from 2022-2024.  She was previously the Acting Principal Deputy Assistant Secretary for the Bureau of African Affairs. She has also served as Deputy Assistant Secretary of State for Central Africa and Public Diplomacy, the Acting Deputy Spokesperson for the Department, Deputy Executive Secretary to Secretaries Kerry and Tillerson, and Deputy Assistant Secretary for Public Diplomacy in the Bureau of South and Central Asian Affairs. She joined the Department in 1995, and at the time of her swearing in was the youngest member of the Foreign Service. She has served overseas in Taiwan, Hong Kong, Cambodia, India, Bulgaria, and Togo.

Jamie Jones Miller is the inaugural Dean and CEO of Northeastern University’s Arlington, VA campus, blending her passion for national security and developing the next generation of leaders. She most recently served as a Senior Advisor at The Roosevelt Group, a strategic advocacy and consulting firm, where she worked with a wide range of clients in the defense, security, and intelligence sectors.

Jamie’s 16 years of government service includes roles as Principal Deputy Assistant Secretary of Defense for Legislative Affairs (SES III) and Deputy Assistant Secretary of Defense (SES II) where she advised the Secretary and Deputy Secretary of Defense on legislative strategy and managed relationships with members of Congress and key congressional staff, the military departments as well as the White House, National Security Council and federal departments and agencies in support of DoD priorities. Jamie is a 2018 graduate of National Defense University’s PINNACLE flag and general officer course and was awarded the Department of Defense Medal for Distinguished Public Service by the Secretary of Defense in 2020.

Ambassador Laura S. H. Holgate served most recently as the U.S. Ambassador to the United Nations International Organizations in Vienna and the Representative of the United States of America to the International Atomic Energy Agency.

As an experienced national security leader, Holgate’s public service includes the reduction of threats and management of risks from nuclear, biological, chemical, and radiological weapons. She previously served as Vice President at the Nuclear Threat Initiative, Special Assistant to the President at the National Security Council, and as a senior official at the Departments of Energy and Defense. She is frequently quoted and published in print and tv and she speaks publicly on nuclear energy, nuclear security, chemical weapons, bioterrorism, and related international organizations.

Holgate received a Bachelor of Arts Degree in politics from Princeton University and a Master of Science Degree in political science from the Massachusetts Institute of Technology. She lives in Arlington, Virginia.

Alexis Prieur L’Heureux is Vice President at WestExec Advisors.

Prior to joining WestExec, Alexis most recently served as Chief of Staff for Congressman Seth Moulton (MA-06). Alexis ran his congressional office, including his work on the House Armed Services, Transportation and Infrastructure, and Budget Committees, and was also a Senior Advisor for his political action committee, Serve America. Alexis also served on President Joe Biden’s Presidential Transition Team as the lead for Department of Defense appointments. Before working on the Hill, Alexis served in President Obama’s Administration as a national security policy advisor at the Department of Defense (2009-2012, 2014-2017) and as a Deputy Executive Secretary at the U.S. Department of Treasury (2013-2014).

In addition to her government experience, Alexis has also worked to protect the vote for numerous campaigns at both the state and national levels, starting with then-Senator Obama’s 2008 primary campaign in New Hampshire. In 2017, Alexis co-founded All Voting Is Local, which is a non-profit that works to increase access to voting by improving how elections are run at the local level.

Heather Hurlburt is an Associate Fellow at Chatham House, analyzing, explaining and working to close the gap between the practice of international affairs and the realities of politics in the United States. From 2022-2024, she served as Chief of Staff to U.S. Trade Representative Katherine Tai, overseeing strategy and management for the agency charged with carrying out President Biden’s worker-centered American trade policy. Previously, she founded and ran the New Models of Policy Change project at the think tank New America’s Political Reform program. Her work there explored the intersection of international affairs policy and domestic political polarization, on topics from trade and climate to political violence to nuclear security. She also made the project a hub for analysis and convening on diversity, gender and equity in international affairs.

Earlier in her career, she held senior positions in conflict prevention and international affairs advocacy, including at the International Crisis Group and Human Rights First. She was a speechwriter and member of the Secretary of State’s Policy Planning staff under Secretaries of State Albright and Christopher, and a Special Assistant and speechwriter to President Bill Clinton. She also worked on Capitol Hill and the US Delegation to the OSCE.  She served from 2022-2025 on the U.S. Secretary of State’s International Security Advisory Board. She is widely published, and from 2017-2020 was a regular columnist for New York Magazine’s Daily Intelligencer. She is a member of the board of the Scoville Peace Fellowship, a co-founder of the Leadership Council for Women in National Security, and holds degrees from Brown and George Washington Universities.

Former Chief Diversity and Inclusion Officer, Former U.S. Ambassador to the Republic of Malta and Former President of the Middle East Policy Council.

Ambassador Gina Abercrombie-Winstanley is the Non Resident Scholar of the Middle East Policy Council, a think tank that contributes to American understanding of the political, economic and and cultural issues that affect U.S. interests in the Middle East, Senior Advisor at the strategic advisory firm, West Exec Advisors, a BBC Contributor and a Senior Non-Resident Fellow at the Atlantic Council. Before her current appointments, she held a series of senior positions that included Ambassador to the Republic of Malta, Foreign Policy Advisor to the Commander of U.S. cyber forces, Deputy Coordinator for Counterterrorism for the Department of State where she negotiated the establishment of the International Institute for Justice and Rule of Law, and Country Director for Egypt, Syria, Jordan and Lebanon.Ms. Abercrombie-Winstanley was the first woman to lead a diplomatic mission in Saudi Arabia as the Principal Officer in Jeddah after taking on the position of Special Assistant to the Secretary of State for the Middle East and Africa.

The Honorable Robert M. Scher is a recognized expert in strategic planning, geopolitical risk assessment and mitigation, and government advocacy across the energy and defense sectors and on issues of international, national security, and US domestic politics. He has served in the public sector, worked in the private sector, and was appointed to a congressionally mandated commission by the Senate Majority Leader.

Bob was most recently the Vice President and Head of International Affairs for BP America. In this position he tracked and analyzed US foreign and national security policy as it affected BP’s businesses around the world.

Rachel Vogelstein is a Professor at Columbia University’s School of International and Public Affairs and Director of the Women’s Initiative at the Columbia Institute of Global Politics, where she focuses on gender equality in the U.S. and globally. Most recently, she served in the Biden Administration as Special Assistant to the President and Deputy Director of the White House Gender Policy Council and Special Advisor on Gender at the National Security Council, leading policy development on health and reproductive rights, economic security, and democracy and political participation, among other issues. For over a decade, Rachel was an advisor to Secretary Hillary Clinton on women’s issues, serving on both of her presidential campaigns and as the Director of Girls’ and Women’s Initiatives at the Clinton Foundation. During the Obama Administration, she was an official in the Secretary’s Office of Global Women’s Issues at the U.S. Department of State, where she developed a landmark foreign policy agenda for women’s empowerment. Previously, she served as the Douglas Dillion Senior Fellow and Director of the Women and Foreign Policy Program at the Council on Foreign Relations. She is the author of Awakening: #MeToo and the Global Fight for Women’s Rights, which was recognized by the New York Times for capturing the global impact of the #MeToo movement, and began her career as a lawyer focused on reproductive rights.

Iris Ferguson is president and founder of IAF Strategies, where she advises on Arctic security, energy security, and geopolitical risk, and holds affiliations as a visiting scholar at Penn Washington and a senior associate, non-resident, with the Center for Strategic and International Studies.  She served as Deputy Assistant Secretary of Defense for Arctic and Global Resilience from 2022 to January 2025, advising the Secretary of Defense on protecting U.S. and allied interests in the Arctic, oceans policy and the Freedom of Navigation Program, critical minerals, and energy security. Previously, Ferguson served as an advisor for the U.S. Air Force, where she authored the Air Force’s first Arctic Strategy. Earlier in her career, she worked at the Department of Commerce’s International Trade Administration, helping establish SelectUSA, and as a legislative aide on the Senate Foreign Relations Committee. She holds a BA from the University of Arkansas and an MA from Johns Hopkins SAIS, and completed a Council on Foreign Relations International Affairs Fellowship on Arctic and space security in Canada.

Beth Roberts is a foreign policy, international trade, and development finance leader with nearly two decades of experience navigating complex geopolitical, regulatory, and investment environments to foster economic growth. In her current role as Senior Manager, Global Strategic Initiatives within Global Public Policy at General Motors, Beth focuses on advancing policies that bolster GM’s supply chain resilience efforts. She specializes in translating big-picture global dynamics into actionable strategies, detailed project management, and diplomatic advocacy to advance policy objectives and drive growth.

During the Biden Administration, Beth served as Vice President of the Office of Foreign Policy at the U.S. International Development Finance Corporation (DFC), where she launched and led a team of regional and sector policy experts focused on aligning DFC’s $50 billion global investment portfolio and business development strategy with U.S. foreign policy priorities. She served as the senior foreign policy advisor to DFC’s CEO, drove strategic diplomatic engagement, and helped integrate geopolitical risk and opportunity analysis across business lines.

Before joining DFC, Beth spent a decade at the Millennium Challenge Corporation (MCC), where she developed and managed infrastructure, energy, and agribusiness projects across Africa and South Asia. She also served as an advisor to MCC’s CEO, launched MCC’s Private Sector Advisory Council and led the Corporation’s first trade mission to Africa. Beth’s career began as a public affairs consultant at APCO, supporting domestic and global health care clients. Her service in the Peace Corps in Mali sparked her passion for working at the nexus global business, foreign policy, and sustainable development.

Beth is a graduate of Elon University and is a Truman National Security Project Security Fellow. She lives with her husband and two daughters in Washington, D.C.

Ambassador (ret.) Greta C. Holtz is the President and CEO of Amideast, a leading non-profit organization which works to provide live-changing educational and exchange programs in the Middle East and North Africa and for U.S. students and faculty. Ambassador Holtz served as a career diplomat with extensive experience in the Middle East and North Africa. She was the U.S. Ambassador to Oman from 2012 to 2015, the Chargé d’affaires in Qatar from 2020-2021, and the Minister-Counselor for Provincial Affairs at the U.S. Embassy in Baghdad from 2009 to 2010. Additional overseas postings included Saudi Arabia, Yemen, Tunisia, Syria, and Turkey, and her domestic assignments included serving as the Deputy Assistant Secretary of State for Public Diplomacy and Strategic Communication in the Bureau of Near Eastern Affairs, and the Principal Deputy Assistant Secretary of State for South and Central Asia.

Ambassador Holtz’s broad experience encompasses a number of other positions, including as Chancellor and Vice Chancellor of the College of International Security Affairs at the National Defense University, and Senior U.S. Coordinator for Operations Allies Refuge (OAR) in Doha, Qatar.  Ambassador Holtz also served as the State Department’s Coordinator for the Organization for Security and Cooperation in Europe (OSCE), a Senior Watch Officer in the State Department’s Executive Secretariat’s Operations Center, a 24/7 crisis management and communications center, and the Senior Foreign Policy Advisor to the Commanding General of the U.S. Special Operations Command, providing strategic guidance for special operations missions worldwide.

Ambassador Holtz holds a BS in Political Science from Vanderbilt University, an MS in International Relations from the University of Kentucky’s Patterson School of Diplomacy and International Commerce, and an MS in National Security Studies from the National War College. She speaks French, Arabic, and Turkish, and is the recipient of numerous State Department awards, as well as awards from the Department of Defense and Central Intelligence Agency. She is a member of the American Academy of Diplomacy, a member of the Board of Advisors for Spirit of America, and a member of the Board of Directors for The Marshall Legacy Institute. Ambassador Holtz is a non-resident Distinguished Fellow at the University of South Florida’s Global and National Security Institute and is a distinguished graduate of University of Kentucky’s Patterson School of International relations and Commerce.

Susan Hennessey is a Counsel in WilmerHale’s Defense, National Security, and Government Contracts practice group. In private practice, she focuses on national security, technology and defense-related matters. Previously, Ms. Hennessey served as Chief Counsel to the Assistant Attorney General for National Security and Chief of Staff of the Department of Justice’s National Security Division.

In 2022, Ms. Hennessey served as the Director of National Intelligence’s representative on the Senior Steering Group examining the relationship between the National Security Agency and US Cyber Command. She began her legal career as an attorney in the Office of General Counsel at the NSA.

Before joining the Justice Department, Ms. Hennessey was a Senior Fellow of Governance Studies at the Brookings Institution, where she published influential legal and policy analysis on topics including surveillance law, cybersecurity, and emerging technologies and served as Executive Editor of Lawfare. As a Brookings scholar, she provided nonpartisan expert advice, briefings, and testimony to Congress, senior government officials, non-governmental organizations, business leaders, and other stakeholders.

Eileen O’Connor is the senior vice president for Communications, Policy, and Advocacy, a member of the Foundation’s executive team, overseeing all government relations and strategic communications for all program priorities. Before joining the foundation, O’Connor spent her career as an attorney and award-winning journalist, serving as vice president of Yale University, Deputy Assistant Secretary of State in the Obama administration, for South and Central Asia, and White House and foreign correspondent for CNN and ABC news. As an attorney, O’Connor specialized in complex litigation, political investigations, multi-party dispute negotiations, and crisis management in the U.S., Russia, and Ukraine. In government, O’Connor was awarded several Superior Honor awards for her work in Afghanistan, where she was posted for 14 months, Pakistan and South and Central Asia, countering violent extremism and building democratic institutions, including a focus on women’s peace and security programs. As a journalist she earned the Peabody Award, the DuPont Award, multiple Overseas Press Club awards, an Emmy, Cable Ace, and National Headliner awards for her documentary, investigative, and war-zone coverage in the former Soviet Union, Africa, and the Middle East. Her documentary on Russian organized crime garnered a NY Film Festival Golden Eagle award.

Reta Jo Lewis is Of Counsel at Husch Blackwell, LLP where she advises U.S. and international clients on international trade, export finance, and government strategy, drawing on more than three decades of experience across law, business, finance, and public policy. As former Chairman, President, and CEO of the Export-Import Bank of the United States (EXIM), she brings unique insight into global trade finance, geopolitical risk, and the role of government in supporting complex cross-border transactions.

Reta works with clients to secure export credit financing through EXIM and other global export credit agencies (ECAs), navigate regulatory and geopolitical risk, and structure high-value international partnerships. She counsels companies operating in highly regulated and strategic markets, helping them expand globally, enter the U.S. market, and align commercial objectives with public-sector stakeholders.

Her experience spans Africa, the Caribbean, and other high-growth regions, where she has supported transformative projects in energy, infrastructure, manufacturing, and critical minerals. Reta is also deeply experienced in subnational diplomacy and public-private partnerships, regularly advising on bipartisan initiatives and cross-border economic collaboration.

Reta is a Lifetime Member of the Council on Foreign Relations and serves in leadership roles with the World Economic Forum and several global and industry organizations. Her career achievements have been recognized by, among others, the U.S. Department of State, the University of Georgia, and the Ellis Island Honors Society. She holds a J.D. from Emory University School of Law, a master’s degree from American University, and a bachelor’s degree from the University of Georgia.

Amanda Simpson is an advisor and consultant on aerospace, energy, and DEI as the CEO of Third Segment LLC. She is a nationally renowned speaker and has presented at corporations, government agencies, civic organizations, conferences, and colleges around the country on technology and aerospace innovation as well as gender and diversity.

Formerly she was Vice President for Research and Technology and Head of Sustainability at Airbus Americas, responsible for  coordinating technology development, research activities, and innovation for Airbus in the western hemisphere. She was also the Head of Sustainability efforts for Airbus in the Americas and has been an outspoken advocate for future flight concepts and clean aviation.

Ms. Simpson joined Airbus following government assignments in the United States Department of Defense. She was the Deputy Assistant Secretary of Defense for Operational Energy, responsible for developing the strategy for the utilization of energy for military operational forces worldwide and was the senior advisor to the Secretary of Defense for all matters pertaining to energy in our military.

Ambassador (ret) Laura Kennedy served almost four decades as a U.S. career diplomat. She spent much of her career working in or on the former Soviet Union and served multiple assignments in Geneva and Vienna on multilateral disarmament and non-proliferation (conventional, nuclear and biological) as well as a number of temporary assignments in New York, including the 2010 and 2015 NPT Review Conferences and heading the U.S. delegations to the UN Committee on Disarmament. She retired in 2013 but was recalled to service in 2014 to head the U.S. Embassy in Turkmenistan and then the U.S. Mission in Vienna where she served as the U.S. Governor on the Board of the International Atomic Energy Agency. She retired again in 2015.

Kennedy’s assignments included Deputy Assistant Secretary of State for Southern Europe, Central Asia and the Caucasus 2004-5, Ambassador to Turkmenistan 2001-3, Ambassador to the Conference on Disarmament in Geneva 2010-13 with concurrent service as U.S. Special Representative for Biological and Toxin Weapons Convention issues, Deputy Commandant of the National War College where she also taught for two years 2007-9, Charge d’Affaires in Armenia, and Deputy Political section chief in Moscow and Ankara. She is a member of the Leadership Council of Women in National Security (LCWINS) and the trilateral US-Germany-Russia Deep Cuts Commission. Kennedy has been a frequent press commentator and has lectured at various U.S. and international institutions including the Foreign Service Institute, the U.S. Army War College, the Army Command and General Staff College, universities and regional international affairs councils. She serves as an expert for the NewYork Times and Smithsonian Institution Silk Road travels to Central Asia. She has participated in a number of track two dialogues on nuclear arms control and nonproliferation and Asia. She is currently a member of the Secretary of State’s International Security Advisory Board.

After receiving her B.A. from Vassar College, Kennedy did graduate work at Stanford and American (M.A.) universities and is also a graduate of the Senior Seminar of the Department of State for which she later served as Dean.

Sherri Goodman serves as Vice-Chair of the US Secretary of State’s International Security Advisory Board (ISAB). She is also the Secretary General of the International Military Council on Climate & Security (IMCCS), representing over 40 military and national security organizations addressing the security risks of a changing climate. She is credited with educating a generation of U.S. military and government officials about the nexus between climate change and national security, using her famous coinage, “threat multiplier,” to fundamentally reshape the national discourse on the topic.

She is a Senior Fellow at the Woodrow Wilson International Center’s Polar Institute and Environmental Change & Security Program, as well as a Senior Strategist at the Center for Climate & Security.

Sherri chairs the Board of the Council on Strategic Risks and chairs the External Advisory Board on Energy and Homeland Security for Sandia National Laboratories. She is the Vice-Chair of the Board of the University Corporation for Atmospheric Research (UCAR).

Julia McQuaid is the Vice President of the Strategy, Policy, and Plans Division at CNA. A seasoned political-military affairs expert, she brings over 20 years of experience advising the U.S. Navy, Department of Defense, and other national security agencies on strategic and operational issues. Her expertise spans areas such as strategic competition, adversary threats, emerging technologies/unmanned systems and autonomy, coalition building and alliance maintenance, terrorism, nuclear policy, and global maritime security.

As a researcher, McQuaid led several high-profile projects at CNA, including a congressionally directed assessment of the 17-year U.S. effort to defeat Al-Qaeda. Her work influenced substantial revisions in U.S. counterterrorism approaches overseas. She has also conducted in-depth research on adversary tactics, techniques, and procedures, particularly within non-state actor groups, and supported DOD efforts to develop countermeasures. Her analytical leadership extends to wargames and strategic studies, addressing global challenges with a focus on homeland defense, Europe, Africa and the Middle East. Additionally, she consults for the Defense Science Board. McQuaid holds a Master of Arts in Arab Studies from Georgetown University and a Bachelor of Arts in French and government from Franklin & Marshall College.

Katie Arrington is Chief Information Officer at IonQ where she oversees the protection and modernization of the company’s global enterprise systems, safeguards digital assets and supply chains, and strengthens operational and cyber resilience across the company’s rapidly expanding footprint. Her move to IonQ reflects a continued personal mission she has championed throughout her career—ensuring U.S. warfighters, government agencies, and industry have access to the world’s most advanced, secure technology.

Most recently, Arrington performed the duties of the Department of War’s Chief Information Officer, advising the Secretary on enterprise information management; satellite, communications, and spectrum capabilities; cyber assurance; and space and emerging technology policy.  Earlier, as Deputy CIO for Cybersecurity, she led defense-wide oversight of cyber strategy, governance, and compliance.  A former state legislator and a longtime member of the defense innovation ecosystem, Arrington began her federal service as the CISO for Acquisition &  Sustainment, where she developed and implemented the Cybersecurity Maturity Model Certification (CMMC). She was also instrumental in bringing AI to the COVID Supply Chain efforts. Her industry leadership includes senior roles with Exiger, Booz Allen Hamilton, Centuria Corporation, and Dispersive Networks—each focused on strengthening the defense industrial base, accelerating innovation, and protecting national security.

Eileen Donahoe is the inaugural Special Envoy and Coordinator for Digital Freedom in the U.S. Department of State’s Bureau of Cyberspace and Digital Policy (CDP). Previously, she was the Executive Director of the Global Digital Policy Incubator at Stanford University’s Cyber Policy Center, where she worked to develop global digital policies that address human rights, security and governance challenges. She served as the first US Ambassador to the United Nations Human Rights Council in Geneva, during the Obama Administration. After leaving government, she was Director of Global Affairs at Human Rights Watch where she represented the organization worldwide on human rights foreign policy, with special emphasis on digital rights, cybersecurity and internet governance. Earlier in her career, she was a technology litigator at Fenwick & West in Silicon Valley.

Eileen serves as a member of Board of Directors of the National Endowment for Democracy; the World Economic Forum Council on the Future of Digital Economy; the University of Essex Advisory Board on Human Rights, Big Data and Technology; the NDI Designing for Democracy Advisory Board, and the Freedom Online Coalition Advisory Network.

Tracy Pakulniewicz is a senior national security and public affairs executive with more than two decades of experience advancing U.S. defense, homeland security, and international policy priorities across the Executive Branch, private sector, and nonprofit arenas. Her career has centered on strengthening alliances, supporting Service members and their families, and aligning communications, policy, and operational strategy to advance national and global security objectives.

Tracy recently served as the Senior Advisor in the Office of the Assistant Secretary of Defense for Manpower and Reserve Affairs, where she advised on policies impacting military readiness, recruiting, retention, the National Guard and Reserves, and family support — a portfolio valued at more than $8 billion. Her work included engagement with NATO Allies to advance shared approaches to recruitment and retention, including efforts to integrate and advance women across allied military forces. She has represented the United States in high-level discussions with NATO’s International Staff and Personnel Directors, contributing to alliance-wide strategies that strengthen the resilience and inclusivity of the modern force.

Tressa Steffen Guenov is Director for Programs and Operations & Senior Fellow, Scowcroft Center for Security Studies at the Atlantic Council. She previously served as Principal Deputy Assistant Secretary of Defense for International Security Affairs (ISA), Office of the Under Secretary of Defense for Policy (OUSDP). In that role she supported the Assistant Secretary of Defense/ISA in a range of policy, leadership, management, and advisory capacities for the offices of African Affairs; European and NATO Policy; the Middle East; and Russia, Ukraine, and Eurasia.

Previously, Tressa was Senior Adviser to Deputy Secretary of Defense Dr. Kathleen Hicks, where she supported the Deputy on a variety of strategy development and stakeholder engagement efforts. Tressa also served as Assistant Secretary of Defense for Legislative Affairs (Acting) and PDASD for Legislative Affairs from 2015-2017. In her government career she also served in the State Department as a Presidential Management Fellow, as a special assistant to USDP and the Principal Deputy USDP, and as a country director for Central Asia issues.