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Mr. Leonard S. Spector is Deputy Director of the Monterey Institute of International Studies' Center for Nonproliferation Studies in Washington D.C.

Mr. Spector joined CNS from the U.S. Department of Energy (DOE), where he served as an Assistant Deputy Administrator for Arms Control and Nonproliferation at the National Nuclear Security Administration.

His principal responsibilities at DOE included development and implementation of DOE arms control and nonproliferation policy with respect to international treaties; US domestic and multilateral export controls; inspection and technical cooperation activities of the International Atomic Energy Agency; civilian nuclear activities in the US and abroad; initiatives in regions of proliferation concern, including the canning of plutonium-spent nuclear fuel in North Korea and Kazakhstan; and transparency provisions of bilateral agreements with Russia covering the purchase of weapons-grade uranium and the cessation of plutonium production. Additionally, Mr. Spector managed the Initiatives for Proliferation Prevention and the Nuclear Cities Initiative programs.

Prior to his tenure at DOE, Mr. Spector served as Senior Associate at the Carnegie Endowment for International Peace and Director of its Nuclear Non-Proliferation Project. Mr. Spector also established the Program on Post-Soviet Nuclear Affairs at Carnegie's Moscow Center. Before joining the Carnegie Endowment, Mr. Spector served as Chief Counsel to the U.S. Senate Energy and Proliferation Subcommittee, where he assisted in drafting the Nuclear Non-Proliferation Act and the Nuclear Waste Policy Act. He began his career in nuclear nonproliferation as a Special Counsel at the Nuclear Regulatory Commission.

Mr. Spector has participated on the Senior Advisory Panels at the Sandia National Laboratories, the Los Alamos National Laboratory, and the National Research Council of the American Academy of Sciences. He has also served as Secretary and Member of the Board of Trustees of the Henry L. Stimson Center and he is currently a member of the Council on Foreign Relations and the Washington, DC Bar. Mr. Spector holds a J.D. degree from Yale Law School and an undergraduate degree from Williams College.

His many publications include: Tracking Nuclear Proliferation 1995: A Guide in Maps and Charts (with Mark McDonough and Evan Medeiros, Carnegie Endowment for International Peace, 1995); Nuclear Ambitions: The Spread of Nuclear Weapons, 1989-1990 (Westview Press, 1990); The Undeclared Bomb: The Spread of Nuclear Weapons, 1987-1988 (Harper Business 1990).