Jeffrey Lewis

Jeffrey Lewis CISAC

Jeffrey Lewis

  • William J. Perry Lecturer, Freeman Spogli Institute for International Studies
  • Senior Research Scholar

Biography

Dr. Jeffrey Lewis is a Senior Research Scholar and the William J. Perry Lecturer at Stanford University's Center for International Security and Cooperation. He is also a Distinguished Fellow at the Foreign Policy Research Institute.

Dr. Lewis is a member of the National Academies of Sciences, Engineering, and Medicine's Committee on International Security and Arms Control (CISAC), which conducts dialogues with counterparts in China, Russia, and India; a member of the Science and Security Board of the Bulletin of the Atomic Scientists, which is best known for setting the "Doomsday Clock"; and a member of Anthropic's Frontier Red Team. From 2022 to 2025, Dr. Lewis was a member of the U.S. Secretary of State's International Security Advisory Board.

He is the author of two scholarly books, The Minimum Means of Reprisal: China's Search for Security in the Nuclear Age (MIT Press, 2007) and Paper Tigers: China's Nuclear Posture (International Institute for Strategic Studies, 2014), as well as a novel of speculative fiction, The 2020 Commission Report on the North Korean Nuclear Attacks Against the United States (Mariner, 2018). He is also the founder of the Arms Control Wonk blog and co-hosts, with Aaron Stein, the Arms Control Wonk podcast.

Previously, Dr. Lewis was a Distinguished Scholar of Global Security at Middlebury College, a full professor of nonproliferation studies at the Middlebury Institute of International Studies, director of the Nuclear Strategy and Nonproliferation Initiative at the New America Foundation, and executive director of the Managing the Atom Project at the Belfer Center for Science and International Affairs at Harvard University. He also worked in the Office of the Under Secretary of Defense for Policy and at the Center for Strategic and International Studies.

Dr. Lewis received a B.A. in Philosophy and Political Science from Augustana College and a Ph.D. in Policy Studies from the University of Maryland.