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Colin Kahl

Diller von Furstenberg Senior Fellow


Colin Kahl is the Diller von Furstenberg Senior Fellow at the Henry A. Kissinger Center for Global Affairs Johns Hopkins SAIS. He is also the Steven C. Házy Senior Fellow at Stanford University’s Center for International Security and Cooperation (CISAC), the faculty director of CISAC’s Program on Geopolitics, Technology, and Governance, and a professor of political science (by courtesy) at Stanford. 
Current research projects include: an examination of the role of emerging technologies (including cyber, space, and artificial intelligence and autonomy) in “integrated deterrence” vis-à-vis the People’s Republic of China (PRC); an assessment of the role of U.S.-Russia nuclear deterrence and Russian nuclear coercion in the Ukraine war; and an analysis of the utility of the concept of the “Free World” for U.S. foreign policy.
From April 2021-July 2023, Dr. Kahl served as the Under Secretary of Defense for Policy at the U.S. Department of Defense. In that role, he was the principal adviser to the Secretary of Defense for all matters related to national security and defense policy and represented the Department as a standing member of the National Security Council Deputies’ Committee. He oversaw the writing of the 2022 National Defense Strategy, which focused the Pentagon’s efforts on the “pacing challenge” posed by the PRC, and he led the Department’s response to Russia’s invasion of Ukraine and numerous other international crises. He also led several other major defense diplomacy initiatives, including: an unprecedented strengthening of the NATO alliance; the negotiation of the AUKUS agreement with Australia and the United Kingdom; historic defense force posture enhancements in Australia, Japan, and the Philippines; and deepening defense and strategic ties with India. In June 2023, Secretary of Defense Lloyd Austin III awarded Dr. Kahl the Department of Defense Distinguished Public Service Medal, the highest civilian award presented by the Secretary of Defense.
During the Obama Administration, Dr. Kahl served as Deputy Assistant to President Obama and National Security Advisor to the Vice President Biden from October 2014 to January 2017. He also served as Deputy Assistant Secretary of Defense for the Middle East from February 2009 to December 2011, for which he received the Outstanding Public Service Medal in July 2011.
Dr. Kahl is the co-author (along with Thomas Wright) of Aftershocks: Pandemic Politics and the End of the Old International Order (New York: St. Martin’s Press, 2021) and the author States, Scarcity, and Civil Strife in the Developing World (Princeton, NJ: Princeton University Press, 2006). He has also published numerous article on U.S. national security and defense policy in Foreign AffairsForeign PolicyInternational Security, the Los Angeles TimesMiddle East Policy, the National Interest, the New Republic, the New York TimesPolitico, the Washington Post, and the Washington Quarterly, as well as several reports for the Center for a New American Security (CNAS), a non-partisan think tank in Washington, DC.
Dr. Kahl previously taught at Georgetown University and the University of Minnesota, and he has held fellowship positions at Harvard University, the Council on Foreign Relations, CNAS, and the Penn Biden Center for Diplomacy and International Engagement. 
He received his B.A. in political science from the University of Michigan (1993) and his Ph.D. in political science from Columbia University (2000).