Gina Abercrombie-Winstanley

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.

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

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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.

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.

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.

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.

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

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

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

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

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

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

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.

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.

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.

Essye Miller’s public service career spanned morethan three decades. She served most recently as Principal Deputy Chief Information Officer and Acting Defense Chief Information Officer at the Department of Defense, selected by former Secretary of Defense Jim Mattis. As a career member of the Senior Executive Service, Miller has deep expertise in information management and technology, cybersecurity, and critical satellite communications. She advises corporations on expansion into the public sector, the federal market, product portfolios, and executive strategy. Miller also serves as an advisor to the Information Security and Privacy Advisory Board, the Department of Commerce, and NGOs.

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.

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.

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.

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

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

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

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.

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.

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).

Heather Samuelson is an attorney and strategic advisor with nearly two decades of experience in government, politics and the non-profit sector. She most recently served as Special Assistant to the President and Senior Confirmations Counsel in the White House Office of Legislative Affairs, guiding hundreds of Biden-Harris Administration nominees through the Senate confirmation process. Heather also served in the Obama-Biden Administration, first as White House Liaison at the U.S. Department of State, and then as Assistant Counsel in the White House Counsel’s Office. In these roles, she directed recruitment and vetting for national security positions and advised officials on federal ethics compliance.

Prior to rejoining government, Heather was the first General Counsel for the National Domestic Workers Alliance (NDWA) overseeing all legal matters for NDWA and its sister organization Care in Action. Heather also served as a longtime attorney and advisor to Secretary Hillary Rodham Clinton, including representing the Secretary before the U.S. House Select Committee on Benghazi, and serving as Chief Counsel for the 2016 Clinton-Kaine Pre-Election Transition team.

Caroline Zier has over 15 years of experience in defense and national security, and is currently the Deputy Lead for National Security Policy at OpenAI. She previously served as the Deputy Chief of Staff to the Secretary of Defense, where she was responsible for helping manage the Secretary of Defense’s executive staff and providing counsel and advice to the Secretary on all matters concerning the Department.

From 2021 to 2023, Caroline was the Senior Advisor and Special Assistant to the Secretary of Defense with responsibility for policy and national security matters. From 2018 to 2021, Caroline was the Director for Global Posture within the Office of the Secretary of Defense for Policy, leading a team responsible for providing oversight and management of the forces, footprint, and agreements that support the Department’s global operations and activities.

From 2016 to 2018, Caroline served as the Chief of Staff to the Assistant Secretary of Defense for Indo-Pacific Security Affairs. She joined the Office of the Secretary of Defense for Policy in 2009, and held several other positions in the organization.  Prior to her government service, Caroline worked at Morgan Stanley in New York as an analyst. She graduated from Yale University with a Bachelor of Arts and received a Master of Science in Foreign Service from Georgetown University. She is the recipient of the Distinguished Public Service Award and the Meritorious Civilian Service Award. She is a nonresident senior fellow at the Atlantic Council’s Scowcroft Center for Strategy and Security.

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.

Laura McAleer is the University of Notre Dame’s Associate Vice President for Federal and Washington Relations, responsible for the development and execution of the University’s strategic priorities in the Nation’s capital.

Prior to joining Notre Dame, McAleer served for more than twenty years as a defense and foreign policy advisor and analyst, most recently at the Department of Defense as the Deputy Assistant Secretary of Defense for Senate Affairs and acting Principal Deputy Assistant Secretary of Defense for Legislative Affairs. Previously, she worked on Capitol Hill for more than a decade, serving as a national security and foreign policy advisor to four U.S. Senators and on the Majority Staff of the Senate Foreign Relations Committee.

In addition to her congressional experience, McAleer’s public service includes assignments as a strategy and plans officer for U.S. Special Operations Command Africa, as an analyst and program manager with the Office of Naval Intelligence, and as the Director for Strategic Initiatives for the Secretary of the Navy. She also served for more than a decade as an intelligence officer in the U.S. Navy Reserve.

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

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

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

Dr. Rebecca Bill Chavez is president and CEO of the Inter-American Dialogue. She is formerly a senior fellow in the Dialogue’s Rule of Law Program. She is a member of the Truman Center for National Policy Board of Directors, the Leadership Council for Women in National Security (LCWINS) Steering Committee, the Princeton University Institute for Regional and International Studies Advisory Board, and the Foreign Policy for America Advisory Board.

Dr. Chavez served as Deputy Assistant Secretary of Defense for Western Hemisphere Affairs from 2013 until 2016 where she prioritized Women, Peace, and Security initiatives, combatting the militarization of law enforcement, and expanding defense institution building programs. Her areas of focus included shaping Defense Department contributions to President Obama’s Central America Strategy, moving the U.S.- Mexico relationship beyond the narrow counternarcotics focus, supporting the Colombian peace process, resetting defense relations with Argentina and Brazil, and establishing a productive dialogue with Cuba on humanitarian assistance and disaster response.

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.

Alex Kahan is a global strategy, operations, and policy leader with experience at the intersection of national security, government, and the private sector.

Most recently she served on the executive leadership team of the U.S. International Development Finance Corporation (DFC), the government’s investment arm that provides financing to the private sector to advance foreign policy and development goals in key sectors and global markets. As the Deputy Chief of Staff for Strategy, she led DFC’s enterprise strategic planning and consulting function, enabling DFC to grow to over 700 personnel with a $50B portfolio. Prior to DFC Ms. Kahan was the Chief of Staff for Global COVID-19 Response and Health Security at the U.S. Department of State, where she supported global pandemic response coordination and oversaw Department activities to distribute more than 700 million vaccines to 118 countries.

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.

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.

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.

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.

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.