Kingston A. Reif

Deputy Assistant Secretary of Defense for Threat Reduction and Arms Control (TRAC)


Kingston Reif serves the Deputy Assistant Secretary of Defense for Threat Reduction and Arms Control (DASD(TRAC)). He is the principal advisor to the Assistant Secretary of Defense for Nuclear, Chemical, and Biological Defense Programs (ASD(NCB)) for acquisition oversight, implementation, and compliance with nuclear, biological, and chemical treaties; cooperative threat reduction; chemical demilitarization programs; and building global partner capacity to counter weapons of mass destruction.

Prior to joining the Department of Defense, Mr. Reif was the Director for Disarmament and Threat Reduction Policy at the Arms Control Association from October 2014 to November 2021. His worked focused on U.S. nuclear weapons policy, U.S.-Russia nuclear arms control, missile defense, preventing nuclear terrorism, and nuclear disarmament.

Before joining the Arms Control Association, Mr. Reif was the Director of Nuclear-Nonproliferation at the Center for Arms Control and Nonproliferation and Council for a Livable World. Mr. Reif originally came to the Center in 2008 as a Herbert Scoville Jr. Peace Fellow. From September 2008 until May 2009 he served as Dr. Morton Halperin's research assistant on the Congressional Strategic Posture Commission. Mr. Reif returned to the Center in May 2009 as the Deputy Director of Nuclear NonProliferation.

Mr. Reif holds a B.A. in International Relations from Brown University. He spent two years in the U.K. as a British Marshall Scholar where he received a MSc. in International Relations from the London School of Economics and Political Science and a M.Litt. in International Security Studies from the University of St. Andrews. He is a 2014 Truman National Security Project Fellow and a 2018 Shawn Brimley Next Generation National Security Leaders Fellow.

Mr. Reif is a native of Kingston, Wisconsin. He is married and has two daughters.

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