Cara Abercrombie

Laura A. Dickinson is the Oswald Symister Colclough Research Professor of Law and Professor of Law at The George Washington University Law School. Her work focuses on national security, human rights, the law of armed conflict, and foreign affairs privatization. She has authored numerous articles and book chapters, including scholarship that has appeared in the American Journal of International Law, the Yale Journal of International Law, the NYU Journal of International Law and Politics, the William & Mary Law Review, the Emory Law Journal, and the Southern California Law Review. She also contributes regularly to the national security blog, Just Security. Professor Dickinson’s prizewinning book, Outsourcing War and Peace, published by Yale University Press, examines the increasing outsourcing of military and security functions, considers the impact of this trend on core public values, and outlines mechanisms for protecting these values in an era of privatization.

In addition to her scholarly activities, Professor Dickinson has a distinguished record of government service.

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.

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.

Dr. Evelyn N. Farkas has three decades of experience working on national security and foreign policy in the U.S. executive, legislative branch, private sector and for international organizations overseas. She is currently the executive director of the McCain Institute at Arizona State University. Prior to that, she was president of Farkas Global Strategies and a senior fellow at the German Marshall Fund of the United States and the Atlantic Council and national security contributor for NBC/MSNBC.

She served from 2012 to 2015 as deputy assistant secretary of defense for Russia/Ukraine/Eurasia, also covering the Balkans, Caucasus and conventional arms control. From 2010 to 2012, she was the senior advisor to the Supreme Allied Commander Europe and special advisor to the Secretary of Defense for the NATO Summit. Prior to that, she was the executive director of the Commission on the Prevention of Weapons of Mass Destruction Proliferation and Terrorism and senior fellow at the American Security Project. From 2001 to 2008, she served as a professional staff member of the Senate Armed Services Committee responsible for Asia Pacific, Western Hemisphere, Special Operations Command, and policy issues including combatting terrorism and export control.

From 1997-2001, Dr. Farkas was a professor of international relations at the U.S. Marine Corps Command and Staff College. She served 1996-97 in Bosnia with the Organization for Security and Cooperation in Europe (OSCE). She has published numerous journal articles and opinion pieces, including “Fractured States and U.S. Foreign Policy: Iraq, Ethiopia, and Bosnia in the 1990s” (Palgrave/St Martin’s Press). She speaks Hungarian and German and has studied French, Spanish, Serbo-Croatian, Russian, and Hindi.

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.

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.

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).

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.

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.

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.

Dr. Kimberly A. McClain is a global strategist, retired U.S. Air Force Reserve officer, and CEO of TMG Strategic Advisors, LLC, a boutique firm advising governments, corporations, and investors on geopolitical risk, public-private partnerships, and enterprise resilience. With more than three decades of service across the U.S. military, federal government, and private sector, she is recognized for bringing clarity and precision to high-stakes decisions.

A Senate-confirmed Assistant Secretary at the U.S. Department of Housing and Urban Development (HUD), Dr. McClain led enterprise-wide strategy for a $79B federal budget, supported $1T in grants and $6T in securities, and secured $400M in reinvestments for underserved programs. At the U.S. Department of Veterans Affairs, she coauthored breakthrough legislation that delivered long-term health benefits to over 5M veterans. Earlier, as an Air Force executive, she directed policy and engagement for a $179B enterprise, improving operational performance and strengthening congressional relationships.

Her distinguished military career spanned 30 years, including senior advisory roles for the Chairman of the Joint Chiefs of Staff, where she negotiated $2B in international defense partnerships and built enduring coalitions across 45+ countries. She also pioneered the first regional cybersecurity cooperation strategy for Latin America under U.S. Cyber Command.

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.

Shelby Pierson advises a broad range of defense-tech, AI, and national-security companies across venture-backed, early-stage, and growth ecosystems, with a tireless focus on integration and operational outcomes. She partners with CEOs, founders, and investors to scale technology for government adoption, accelerate product-market fit inside the national security enterprise, and shape mission-aligned strategies for data, AI/ML, advanced sensing, and geospatial innovation.

Shelby also serves on corporate boards, bringing expertise in enterprise risk, oversight, modernization, and international partnership management. Her portfolio work focuses on building tech-forward operating rhythms, aligning investments to measurable mission value, and strengthening governance to deliver durable performance. Shelby has more than 25 years of national security leadership experience in the U.S. intelligence community, known for translating strategy into execution across large, matrixed organizations.

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.

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.

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.

Mona Sutphen is a Senior Partner at The Vistria Group. Previously, she was a Partner at global consultancy Macro Advisory Partners and earlier was Managing Director at UBS, AG. She served as White House Deputy Chief of Staff for Policy for President Obama during his first term. Earlier Ms. Sutphen was a career diplomat, serving on the staff of the NSC during the Clinton Administration as well as at US Mission to the United Nations and other posts in Asia and Europe. Ms. Sutphen serves on the Board of Spotify and as a Trustee for Putnam Investments. She is Co-Chair of the IRC Board and also serves on the advisory boards of the Omidyar Network and Columbia University’s Center for Global Energy Policy. Ms. Sutphen co-authored “The Next American Century” and was an Executive Producer of several documentary films. She is a member of the Council on Foreign Relations and served on the President’s Intelligence Advisory Board. She holds a Bachelor of Arts degree from Mount Holyoke College and a Master of Science degree from the London School of Economics.

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.

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).

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.

A retired career diplomat from the US Department of State, Annie is a Senior Non-Resident Associate at the Center for Strategic and International Studies, an Adjunct Professor at the City University of New York, and a public commentator on foreign policy. She is a life member of the Council on Foreign Relations and active on non-profit boards relating to NewYork City and Afghanistan advocacy.

As a self-employed consultant, Annie works with non-profits and think tanks on issues relating to US policymaking and fragile states, international organized crime, Afghanistan, and Latin America.

Her thirty-year diplomatic career focused on security, rule of law, and human rights policy. She was the Acting Deputy Assistant Secretary of State for Afghanistan and Deputy Chief of Mission in Kabul; Office Director for UN Peacekeeping and Sanctions; head of the $700 million security assistance program in Mexico; the lead human rights officer in Turkey and South Africa; and a Director at the National Security Council implementing policy on Central American migration. Ms. Pforzheimer is a graduate of Harvard, with a Masters in National Security Studies from the National Defense University.

Bonny Lin is a senior fellow for Asian security and director of the China Power Project at the Center for Strategic and International Studies (CSIS). Previously, she was the acting associate director of the Strategy and Doctrine Program of RAND Project AIR FORCE and a political scientist at the RAND Corporation, where she analyzed different aspects of U.S. competition with China, including U.S.-China competition for influence in the Indo-Pacific and China’s use of gray zone tactics against U.S. allies and partners.

Her research advised senior leaders in the Department of Defense, including military leaders at U.S. Pacific Air Forces and U.S. Army Pacific. Dr. Lin also served in the Office of the Secretary of Defense from 2015 to 2018, where she was director for Taiwan, country director for China, and senior adviser for China. Dr. Lin holds a PhD in political science from Yale University, a master’s degree in Asian studies with a focus on China from the University of Michigan, and a bachelor’s degree in government from Harvard College.

Reta Jo Lewis most recently served as President and Chair of the Export Import Bank.  Previously, she was Senior Fellow and Director of Congressional Affairs at The German Marshall Fund of the United States where she was the principal liaison between GMF and Congress and built extensive congressional relationships.  During the Obama Administration, from 2010 to 2013, she served as the U. S. Department of States’ first-ever Special Representative for Global Intergovernmental Affairs, under Secretaries of State Hillary Clinton and John Kerry. Lewis led the office charged with building strategic peer- to-peer relationships between the Department of State, U.S. state and local officials, and their foreign counterparts. In her post, she served as the State Department’s lead interlocutor in negotiating and executing the first historic agreements to solidify subnational cooperation and engagement efforts with BRICS (Brazil, Russia, India, China, and South Africa) countries and with targeted countries in the European Union. She was the principal architect that led the global engagement of U.S. state and local government leaders’ integration into and strategy regarding sustainability and climate change to RIO+20, COP-16, COP-17 and COP-18. In 2013, she was awarded the Secretary’s Distinguished Service Award.

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.

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.

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.

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.

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.

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.

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.

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.

Ms. Jennifer Gavito joined The Cohen Group as a Senior Advisor in 2024 and co-leads the firm’s Middle East practice. A career Senior Foreign Service officer with the rank of Minister-Counselor, Ms. Gavito spent over 25 years at the intersection of international and economic policy in senior diplomatic positions in Washington and throughout the Middle East and Europe, on the staff of the National Security Council, and as a senior advisor to the Department of Defense.

Ms. Gavito served most recently as the Acting Principal Deputy Assistant Secretary of State for Near Eastern Affairs where she coordinated policy recommendations for the Secretary of State and other senior US government leaders and oversaw the work of 22 diplomatic posts in 18 countries throughout the Middle East. Prior to that, she was the Deputy Assistant Secretary of State for Iraq and Iran. She concurrently served as Deputy Assistant Secretary of State for Press and Public Diplomacy, leading hundreds of staff in Washington and throughout the Middle East in strategic communications strategy and engagement. Prior to retiring from government service, Ms. Gavito was nominated by President Biden in January 2024 to serve as the US Ambassador to the State of Libya. Ms. Gavito has held a range of leadership roles at US embassies and consulates around the world. She was Minister-Counselor for Political Affairs at the US Embassy in London from 2018–2021, US Consul General to Bavaria from 2015–2018, and Political Counselor at US Consulate General Jerusalem from 2012–2015. Earlier assignments include, among others, Senior Foreign Policy Advisor to the Director for Strategy, Plans, and Programs (J-5) at the US Africa Command; Deputy Consul General at US Consulate General Dubai; Director for Syria and Lebanon at the National Security Council; Deputy Director for North Africa at the Department of State; and head of the Economic and Commercial Section at US Embassy Beirut.

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.

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.

Johnnie Kaberle is a Senior Vice President at WestExec Advisors, where she helps clients navigate the intersection of Congress, the Department of Defense, and the intelligence community.  Prior to joining WestExec, Johnnie spent over three decades on Capitol Hill, culminating as Staff Director of the House Defense Appropriations Subcommittee and Deputy Staff Director of the full Appropriations Committee. In that role, she led bipartisan negotiations and shaped hundreds of billions in national security funding—playing a central role in advancing innovation, acquisition reform, and capability delivery to the warfighter.  Today, Johnnie draws on that deep institutional experience to help clients understand how decisions are made in Washington, identify and pursue strategic opportunities, and build lasting relationships with key stakeholders. She also teaches legislative negotiation and is known for her ability to help clients “decode” complex government processes and deliver impact where it matters most.