Alexandra Kahan

Mary O’Brien is a retired U.S. Air Force lieutenant general officer and a leader in cybersecurity, intelligence, emerging technology, and national security. With 34 years of distinguished military service, she commanded at every level of the Air Force and served in pivotal staff leadership roles, including the Joint Staff Director of Command, Control, Communications and Computer/Cyber, and Chief Information Officer, the Air Force Deputy Chief of Staff for Intelligence, Surveillance, Reconnaissance, and Cyber Effects Operations, and the Director of Intelligence, U.S. Cyber Command. An innovator, Mary pioneered advancements in the integration of unmanned aerial vehicles, networked weapons, and advanced intelligence sensors, significantly enhancing military operational capabilities. Mary is also a proud recipient of the National Defense University College of Information and Cyberspace Rear Admiral Grace Hopper Award, recognizing her innovative contributions to the fields of information and cyberspace.

She is the CEO of Mary O’Brien Strategies, LLC, a consulting business which provides clients with expert guidance to navigate complex digital challenges, focusing on risk mitigation, technology integration, and resilience-building strategies.

Asha Castleberry is a distinguished national security & foreign policy expert, a public speaker, television media commentator, a United States Army Veteran, and a former U.S. Congressional Candidate. She is an author of a memoir titled, “ Why National Security Matters.” Castleberry has over a decade of experience working as a Middle East Policy Expert in the public and private sectors. For the Biden-Harris Administration, she served as a Senior Official (Senior Executive Service) in the Bureau of Near Eastern Affairs (Middle East Policy) in the U.S.State Department. From 2012-2015, Castleberry served in Kuwait, Iraq, and Jordan. She previously served as the Kuwait Desk Officer in the U.S. Army Central. She also served as a Senior Key Leader Engagement Officer for Combined Joint Task Force-Operation Inherent Resolve. Before her deployment, Asha worked in the U.S. Mission to the United Nations, where she worked on the United Nations Peacekeeping Mission in Africa.

Castleberry is a sought-after expert globally and has worked with many U.S. Ambassadors. This year, Asha served on a panel with high-level Iraqi officials (with Senior officials from members of Parliament and military officers) to discuss combating ISIS and the role of China at the Erbil Security Forum in Iraq.

Caitlin Hayden is the London-based Group Communications Director for BAE Systems, one of the largest aerospace, defense, and security firms in the world, employing around 110,000 people with customers in more than 40 countries. In this role, Hayden leads global communications and serves as a member of the company’s executive committee.

Prior to this, she served as the Senior Vice President of Communications at BAE Systems, Inc., leading all external and internal communications for the U.S. business.

Before joining BAE Systems, Hayden had accumulated nearly two decades of communications and leadership experience. This includes serving as vice president of Communications for the Aerospace Industries Association (AIA), leading the organization’s work to tell the aerospace and defense industry’s story in the U.S. and around the world. Previously, Hayden was executive vice president and Media Group director in Edelman’s Washington, D.C. office, where she worked with a range of clients to develop communications strategies to meet their business objectives, including protecting and promoting their brands and navigating regulatory, policy, and crisis issues.

Allison Peters previously served as the Deputy Assistant Secretary of State in the Bureau of Democracy, Human Rights, and Labor at the U.S. Department of State where she oversaw the Bureau’s Office of Multilateral and Global Affairs, including its work on technology and human rights, Office of East Asian and Pacific Affairs, and Office of Policy Planning and Public Diplomacy. Previously, Ms. Peters served as the Senior Advisor to the Under Secretary for Civilian Security, Democracy, and Human Rights and the Senior Advisor to the Assistant Secretary for International Narcotics and Law Enforcement Affairs where she worked to advance rights-respecting approaches to technology and cyber policy and counter threats.

Prior to her time in government, Peters served as the Deputy Director of the National Security Program at the think tank Third Way where she regularly advised policymakers on a broad spectrum of foreign policy and national security issues. In this capacity, she helped to lead the Program’s Cyber Enforcement Initiative where her writing, research, and policy development focused on strengthening global cooperation and capacity to identify and bring to justice malicious cyber actors.

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.

Lisa Curtis is Senior Fellow and Director of the Indo-Pacific Security Program at the Center for a New American Security. She is a foreign policy and national security expert with over 20 years of service in the U.S. government, including at the NSC, CIA, State Department, and Capitol Hill. Her work has centered on U.S. policy toward the Indo-Pacific and South Asia, with a particular focus on Afghanistan, U.S.- India strategic relations, Quad (U.S., Australia, India, and Japan) cooperation, counterterrorism strategy in South and Central Asia, and China’s role in the region.

Curtis served as Deputy Assistant to the President and NSC Senior Director for South and Central Asia from 2017-2021 under three successive National Security Advisors. During her tenure at the NSC, she coordinated U.S. policy development and implementation of the South Asia Strategy approved by the President in 2017 and was the NSC representative at several rounds of the U.S.-Taliban negotiations held in 2019 and 2020. She was also a key contributor to the Indo-Pacific Strategic Framework approved by the President in 2018.

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.

Elizabeth K. Horst is a former career U.S. diplomat with more than 25 years of experience leading policy, people, and partnerships across Europe and South Asia.  As Principal Deputy Assistant Secretary in the Bureau of South and Central Asian Affairs, she served as the bureau’s chief operating officer—overseeing policy development, budgets, staffing, strategic communications and U.S. engagement with 13 countries and 20 posts.  As the Deputy Assistant Secretary for Pakistan, she refocused the bilateral relationship on economic and security issues, and launched the U.S. – Pakistan Green Alliance to advance climate resilience, clean energy, and water security.  She was also responsible for Public Diplomacy to the regional audience of almost 2 billion people from Astana to Colombo.  She was nominated as U.S. Ambassador to Sri Lanka in 2024.

Her diplomatic career included leadership roles in Mission German as Minister Counselor for Public Diplomacy and in Tallinn, Estonia as Chargé d’Affaires and Deputy Chief of Mission, where she strengthened transatlantic security and economic cooperation.  Her Washington postings focused on regional security, economic development and foreign assistance, and spearheading mentoring and leadership initiatives.  Earlier assignments took her to Ukraine, Germany, Russia, Afghanistan, Tajikistan, Pakistan, and Niger, where she began her public service as a Peace Corps volunteer, working on food security and community health.

She holds degrees from the University of Kansas and the University of North Carolina at Chapel Hill and speaks German, Russian, French, and Hausa.

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.

Nisha Biswal brings over 30 years of experience in U.S. foreign policy and international economic development including in the Executive Branch, in Congress and the private sector. Most recently, she served as Deputy CEO of the U.S. International Development Finance Corporation (DFC), overseeing operations, management and policy coordination, and helping DFC become the largest bilateral development finance institution in the world. Biswal was senior vice president for international strategy and global initiatives at the U.S. Chamber of Commerce from 2017-2023 and led the South Asia practice.

Her prior government service includes Assistant Secretary for South and Central Asian Affairs at the U.S. Department of State from 2013 to 2017. There she oversaw the U.S.-India strategic partnership, including the launch of an annual U.S.-India Strategic and Commercial Dialogue. She also initiated the C5+1 Dialogue with Central Asia and the US-Bangladesh Partnership Dialogue during her tenure as Assistant Secretary. Prior to that, Biswal was assistant administrator for Asia at the U.S. Agency for International Development (USAID),having previously worked in the Office of Foreign Disaster Assistance and the Bureau for Humanitarian Response. She also spent over a decade on Capitol Hill, working as staff director on the State and Foreign Operations Subcommittee on Appropriations as well as professional staff on the Foreign Affairs Committee in the House of Representatives.

Caroline Tess is Executive Director of National Security Action and former Executive Director of the Leadership Council for Women in National Security.

Caroline served as Special Assistant to the President at the National Security Council during the Obama Administration. She also served at the State Department focusing on North America and U.S. relations with the United Nations. Caroline worked on Capitol Hill for several years, serving on the Senate Intelligence Committee and in the offices of Senators Harry Reid and Bill Nelson.

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.

Phyllis Wilson is a trailblazing leader, trusted advisor, and nationally recognized voice in purpose-driven leadership. As the 5th Command Chief Warrant Officer of the Army Reserve – the first woman in any component of the U.S. Army to hold the highest warrant officer position – she shaped strategy, culture, and the future of the military. Today, she is the President of the Military Women’s Memorial located at Arlington National Cemetery, which is America’s only major national memorial honoring the more than 3 million women who have defended America, from the American Revolution to today. Phyllis also serves on multiple nonprofit boards and offers her expertise as a national speaker on leadership, security, and workforce transformation.

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.

Jeannette Gaudry Haynie, PhD, is a security and conflict scholar, retired Marine Corps officer and combat veteran, and former government senior executive leader. A New Orleans native and U.S. Naval Academy graduate, she is a Cobra attack helicopter pilot by trade who has served both within and outside the government in a wide range of leadership roles. Within the government, she has served on active duty, as a reservist, and in a civilian executive leadership role at the Department of Defense; outside of government, she has served as a principal research scientist, nonprofit executive, and adjunct professor.

Dr. Haynie served on active duty as a Cobra pilot and instructor before transitioning into the reserves and beginning graduate school. While serving on the Joint Staff and in the Marine Corps Commandant’s think tank, she earned her MA in Political Science from the University of New Orleans and her PhD in International Relations from The George Washington University. She retired after 22 years of combined active and reserve service in the Marine corps.

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.

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.

Mariah Sixkiller is a Director at Hakluyt & Co, a strategic consulting firm based in London.  She works in the San Francisco office and specializes in tech policy and regulatory matters for corporate and investor clients. Before joining Hakluyt in 2023, Mariah was the General Manager for Strategy in Microsoft’s US Department of Defense business. She also served as Director of Government Relations for Microsoft’s National Security Government Affairs team, focusing on public policy related to cloud, AI, quantum, and national security matters.

Deborah Curtis, former CIA Deputy General Counsel for Litigation and Investigations, is a partner in Arnold & Porter’s White Collar Defense and Investigations practice. Her experience spans a wide range of senior level positions in the federal government involving sensitive intelligence, law enforcement and policy issues.

At CIA, Deborah oversaw the Agency’s response to litigation, congressional investigations, critical incidents and criminal matters. In this role, Deborah advised the CIA’s Director and Deputy Director, the Office of Congressional Affairs, the Counterintelligence Mission Center and the Office of Security. She also handled several major national security policy initiatives including representing CIA interests during the U.S.-EU negotiations to reach a transatlantic data privacy agreement and the provision of U.S. information in support of Russian war crimes prosecutions before the International Criminal Court.

Prior to joining CIA, Deborah was the Chief Counsel for Industry and Security at the Commerce Department, the senior-most legal official on all licensing and enforcement decisions involving the Entity List, Military End-User List, Denied Persons List, Unverified List and other issues arising under the Export Administration Regulations. During her time at Commerce, Deborah also co-drafted the Huawei Foreign Direct Product Rule and advised on the CFIUS-adjacent process prohibiting certain foreign transactions that could impact the U.S. Information and Communications Technology and Services supply chain.

Deborah previously served for more than a decade at the Department of Justice, including at the National Security Division’s Counterespionage Section. At Main Justice, she oversaw Espionage Act cases and criminal export control and sanctions investigations and prosecutions nationwide. Deborah was also a Deputy Chief for National Security at the U.S. Attorney’s Office for the District of Columbia, where she investigated, prosecuted and supervised cases involving espionage, illegal foreign agents, state-sponsored malicious cyber intrusions and matters involving the ITAR, FCPA and theft of trade secrets.

Finally, as an Associate General Counsel for National Security and Military Affairs at the Pentagon, Deborah provided legal guidance on Air Force Special Access Programs involving air and space system projects, the issuance of national interest determinations, commercial facilities physical security breaches and counterintelligence “insider threat” probes.

Deborah Rosenblum has spent over 35 years working in the national security and defense field.  Most recently, she served, from 2021 to 2025, as the Senate confirmed Assistant Secretary of Defense for Nuclear, Chemical and Biological Defense Programs as well as the Acting Deputy Under Secretary of Defense for Acquisition and Sustainment.  In these roles she was responsible for all matters pertaining to acquisition; contract administration; logistics and materiel readiness; installations and environment; operational energy; chemical, biological and nuclear defense; as well as the defense industrial base.

From 2009 through 2021, she served as Executive Vice President at The Nuclear Threat Initiative, a global nonprofit focused on reducing catastrophic risks. She also advised corporate clients as a Vice President at The Cohen Group, a global consulting firm, on business opportunities in the defense and homeland security markets. Deborah is currently serving as a Senior Consultant to a range of defense companies; non-profits as well as academia.

She was educated at Middlebury College as well as Columbia University.

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.

Kimberly Lehn is the Senior Director at the Pacific Forum, in charge of the Honolulu Defense Forum (HDF). HDF seeks to facilitate dialogue and solutions between a wide range of actors from the private and public sectors to bolster deterrence in the Indo-Pacific in the face of an increasingly contested regional security environment.

She is a national security professional with over 20 years of experience in the U.S. federal government and in the private sector. She is the Founder of Diamond Pacific Strategies LLC in Honolulu, and a Senior Advisor at Beacon Global Strategies, a strategic advisory firm in Washington, D.C. advising leading companies on national security issues. She previously served in management and analytic roles at the Central Intelligence Agency as well as on assignments to the National Security Council’s Directorate of East Asia, the Department of State’s Intelligence and Research Bureau, and on the U.S. House of Representatives Armed Services Committee as a professional staff member with a focus on the Indo-Pacific, strategic competition with China and Russia, and the important role alliances and partnerships play to build collective security.

Margaret Boatner serves as Vice President of National Security Policy at the Aerospace Industries Association (AIA), where she leads the development and execution of strategic initiatives related to defense acquisition, procurement, and the defense industrial base. With nearly 15 years of experience at the Pentagon, Boatner has played a pivotal role in shaping Department of Defense (DOD) acquisition policy and developing and implementing acquisition reform efforts.

Most recently, Boatner served as the Deputy Assistant Secretary of the Army for Strategy and Acquisition Reform (DASA(SAR)). In this role, she was the lead executive for the design and implementation of Army-wide acquisition policy affecting the development and production of warfighting capabilities. Boatner was also responsible for leading consistent implementation of new statutory authorities affecting Army programs of record, engaging with Congressional committee staff on legislation affecting the acquisition process, and guiding the development of related acquisition legislative proposals. During her tenure, Boatner orchestrated Army-wide initiatives that overhauled policy on intellectual property, software development and acquisition, and industrial base resilience. Boatner also led a broad effort to streamline and simplify the DOD acquisition processes in collaboration with OSD stakeholders.

Michele Pearce most recently served as Of Counsel at Covington and Burling LLP. Prior to Covington, Michele held several senior staff positions within the Department of Defense (DoD) and Congress. Most recently, she served as General Counsel (Acting) of the Department of the Army, providing legal and policy advice to the Secretary of the Army and other service leadership. In this role, Michele was responsible for legal matters related to modernizing acquisition and contracting practices to meet emerging threats, implementing AI and hypersonic systems, and reforming ethics and diversity and inclusion programs.

Prior to her role in the Army, Michele served as Deputy General Counsel (Legislation) at DoD. She was the principal legal advisor to DoD officials, including the Secretary of Defense, Deputy Secretary of Defense, and General Counsel on matters concerning legislation, investigations, and the Department’s Legislative Review Program, which considers more than 400 legislative proposals annually.

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.

Ambassador James O’Brien most recently served as Assistant Secretary of State for European and Eurasian Affairs after previously serving as Head of the Office of Sanctions Policy prior to this role.

Mr. O’Brien was Vice Chair of Albright Stonebridge Group (ASG) and led the firm’s Europe practice. A founder of the firm, he has worked extensively on issues affecting consumer goods, health, entertainment, environment, media (including free speech), information technology, telecommunications, and finance sectors. Mr. O’Brien is also a member of the management and investment committees of Albright Capital Management LLC, an affiliated investment advisory firm focused on emerging markets.

Mr. O’Brien has served two U.S. administrations as special presidential envoy, securing the release of Americans held hostage abroad and overseeing U.S. policy planning towards the Balkans. He has been senior advisor to the U.S. Secretary of State and served as the principal deputy director of policy planning at the State Department. He worked to end armed conflicts in Europe, helped develop non-proliferation initiatives after the Cold War, negotiated environmental agreements, and supported initiatives to investigate and prosecute persons responsible for war crimes.

Heidi is a General Partner and Executive Vice President at America’s Frontier Fund, a venture capital fund that invests in frontier technologies vital to the long-term competitiveness and national security of the United States and close allies. She is also an Adjunct Senior Fellow at the Council on Foreign Relations where she specializes in Economic Statecraft and leads the high-level Roundtable Series on Geoeconomics. She is the former CEO, and remains a Partner, at International Capital Strategies – a boutique advisory firm that provides clients with market-relevant insights on the intersection of macroeconomics, geopolitics, policy and global financial markets.

She served on the Biden Treasury Department Transition team as lead on International Affairs through January 2021. From August 2019 through the 2020 election, she led and built Biden’s international economic policy team for his Presidential campaign, crafting and contributing to incoming Administration policy on national economic security, China policy, supply chain resilience, trade, energy and energy security, the IMF and Multilateral Development Banks, sanctions and export controls, as well as to the domestic competitiveness and investment agenda.

Christine Abizaid led the United States Government’s counterterrorism enterprise while serving as the Director of the National Counterterrorism Center (NCTC) from June 2021 to July 2024. She was the eighth Senate confirmed Director and the first woman to lead NCTC, the primary U.S. intelligence organization that integrates, analyzes, and shares terrorism information.

Before joining NCTC, Abizaid was as an executive at Dell Technologies in its Global Operations organization, where she led and advised on geopolitical and strategic risk analysis; supply chain security; sustainability and transparency initiatives; compliance; and global inventory management. While in the private sector, Abizaid was aboard member for the Responsible Business Alliance; a board member at the Middle East Policy Council; and an inaugural Steering Committee Member for the Leadership Council for Women in National Security (LCWINS).

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).

Beverly Kirk is the Director of Washington Programs at Syracuse University. She was most recently the Executive Director of JOURNEY, a diverse, intergenerational community that connects preeminent emerging talent with women at the top. Prior to JOURNEY she was a fellow and director for outreach in the CSIS International Security Program and director of the CSIS Smart Women, Smart Power Initiative. She previously was director of the iDeas Lab, the multimedia production and design studio at CSIS. Before joining CSIS, Kirk was a journalist and worked for local and national news organizations, including NBC, NPR, and PBS. She spent much of her career focused on domestic and international politics and government. She also founded a media consulting company and has expertise in media curriculum design. She is a member of the adjunct faculty at the American University School of Communication. Kirk holds an M.A. in diplomacy and international commerce with a concentration in international politics and national security from the University of Kentucky and is a summa cum laude graduate of Western Kentucky University with degrees in history and broadcast journalism.

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  epartment 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.

Leah Nodvin is the Director of Government and External Affairs at the BMW Group, where she supports U.S. – European relations and covers the federal sustainability portfolio. Previously, Leah served as the Chief of Staff for the Bureau of Europe and Eurasia at USAID. Prior to joining USAID, she worked on Capitol Hill and most recently served as the Staff Director for the House Foreign Affairs Subcommittee for Europe, working on behalf of Congressman Bill Keating of Massachusetts. During her time on Capitol Hill, Leah also served as a Professional Staff Member on the House Foreign Affairs Subcommittee for Europe as well as a Foreign Affairs Legislative Assistant for a Senior Member of the House Foreign Affairs Committee.

Prior to her time in Washington, Leah completed a research Fellowship with the Parliamentary Assembly of the Organization for Security and Cooperation in Europe in Vienna, Austria. Leah holds a bachelor’s degree from Boston University as well as master’s degrees from the University College’s London School of Slavonic and East European Studies and the Higher School of Economics in Moscow. Leah is currently completing a master’s degree in Defense and Strategic Studies at the Naval War College. Leah grew up in New Hampshire and speaks basic French, intermediate Russian, fluent German and is a native English speaker.

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.

Linda Robinson is Senior Fellow for Women and Foreign Policy at the Council on Foreign Relations, where she is currently writing a book about women political leaders and leadership archetypes. Robinson is a national security and foreign affairs expert, best-selling author, and prize-winning former foreign correspondent. She has testified before Congress multiple times on national security, the Middle East, and military issues. She is the author of three critically acclaimed and best-selling books about Afghanistan, Iraq and the special forces, One Hundred Victories (2013), Tell Me How This Ends (2008), and Masters of Chaos (2004).

She has served as chair of the Army War College Board of Visitors, for which she received the Army’s Outstanding Civilian Service Award, and as a member of the National Defense University board. She has also served as a senior adviser to the U.S. State Department, U.S. Central Command, and other military headquarters commands. As a volunteer advisor on the Biden presidential campaign, Robinson led the Special Operations / Low Intensity Conflict team of the Defense Working Group.

Before joining the Council on Foreign Relations, Robinson was a senior policy researcher and director of its Center for Middle East Public Policy at the RAND Corporation.

With a career spanning government, the non-profit sector, and law, Ms. Foster has deep expertise in the economic and political empowerment of women, and how to effectively integrate a gender-focused approach into foreign policy.

She is a co-founder of Smash Strategies, which provides strategic advice to corporations, institutions, and philanthropists to ensure that their investments in women and girls are effective and transformational. In 2021 through early 2023, Foster returned to the U.S. Department of State focusing on Afghan relocation, with a mandate to prioritize the needs of women and girls. She had previously served at the U.S. Department of State from 2012-2017 as a Senior Advisor/Counselor in the Secretary’s Office of Global Women’s Issues and at the US Embassy in Kabul, Afghanistan where she focused on women and civil society. Foster has also worked in private law practice, as a Chief of Staff to United States Senators Barbara Mikulski (D-MD) and Chris Dodd (D-CT), and in senior management positions in the non-profit sector. She is a lawyer by training.

Her first book, Take Action: Fighting for Women & Girls was published in October 2021. Her second book, co-authored with Susan Markham, Feminist Foreign Policy in Theory and Practice, was published in September 2023.

Dr. Jung H. Pak was Deputy Assistant Secretary in the Bureau of East Asian and Pacific Affairs at the U.S. Department of State. During her tenure at State, she was responsible for overseeing relations with Australia, New Zealand, and the Pacific Islands (2023-2024); deepening and expanding U.S. relationship with the Association of Southeast Asian Nations and related fora (2021-2023); and leading on Global China issues (2021-2022), developing new initiatives and strengthening collaboration with key foreign interlocutors. She concurrently served as U.S. Deputy Special Representative for North Korea from 2021-2023 and as the top U.S. official on North Korea policy from 2023-2024.

Prior to arriving at State, Dr. Pak was a senior fellow at the Brookings Institution, where she focused on Korean Peninsula issues, East Asia regional dynamics, and transnational threats related to proliferation, cybersecurity, and climate change. While at Brookings, she authored Becoming Kim Jong Un, which has been translated into multiple languages and draws from her deep knowledge and experience as an intelligence officer.

Stacie Pettyjohn is a Senior Fellow and Director of the Defense Program at the Center for a New American Security (CNAS). Her areas of expertise include defense strategy, posture, force planning, the defense budget, and wargaming. Her current projects focus on munitions stockpiles, the effect of drones on warfare, and deterring the use of nuclear weapons in a multipolar world. Prior to joining CNAS, Pettyjohn spent over ten years at the RAND Corporation where she served as the Director of the Strategy and Doctrine Program in Project Air Force and the co-director of the Center for Gaming. In2020, she was a volunteer on the Biden administration’s defense transition team.

She has designed and led strategic and operational games that have assessed new operational concepts, tested the impacts of new technology, examined nuclear escalation and warfighting, and explored unclear phenomena, such as gray zone tactics and information warfare. Previously, she was a research fellow at the Brookings Institution, a peace scholar at the United States Institute of Peace, and a TAPIR fellow at the RAND Corporation.