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Yong-Sup Han is a professor of defense policy and arms control at Korea National Defense University. He is also the former president of the Korea Nuclear Policy Society and former president of the Korea Peace Research Association. He has authored books including Peace and Arms Control on the Korean Peninsula, Nuclear Disarmament and Nonproliferation in Northeast Asia, Sunshine in Korea (co-written with Norman D. Levin), and Conventional Arms Control on the Korean Peninsula.