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Daniel Byman

Director of the Warfare, Irregular Threats, and Terrorism Program, Center for Strategic and International Studies

Headshot of Daniel Byman.

Daniel Byman is the director of the Warfare, Irregular Threats, and Terrorism Program at the Center for Strategic and International Studies (CSIS). He is also a professor at Georgetown University’s School of Foreign Service and director of the Security Studies Program. He is the foreign policy editor for Lawfare and has served as a senior adviser to the Department of State on the International Security Advisory Board. He has held positions at the Brookings Institution, the RAND Corporation, the U.S. intelligence community, the 9/11 Commission, and the Joint 9/11 Inquiry Staff of the House and Senate Intelligence Committees. Dr. Byman is a leading researcher and has written widely on a range of topics related to terrorism, insurgency, intelligence, social media, artificial intelligence, and the Middle East. He is the author of nine books, including Spreading Hate: The Global Rise of White Supremacist Terrorism (Oxford, 2022); Road Warriors: Foreign Fighters in the Armies of Jihad (Oxford, 2019); Al Qaeda, the Islamic State, and the Global Jihadist Movement: What Everyone Needs to Know (Oxford, 2015); and A High Price: The Triumphs and Failures of Israeli Counterterrorism (Oxford, 2011). He is the author or coauthor of almost 200 academic and policy articles, monographs, and book chapters as well as numerous opinion pieces in the New York Times, Wall Street Journal, Washington Post, and other leading journals. Dr. Byman is a graduate of Amherst College and received his PhD in political science from the Massachusetts Institute of Technology.

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