Professor Lee is dean of the Graduate School of International Studies at Yonsei University. He joined Yonsei University in 1998 after a decade at leading think tanks the United States, Korea, and Japan including the RAND Corporation, the Sejong Institute, and the National Institute for Defense Studies (Tokyo). Professor Lee has also served on numerous advisory committees to the ROK government. Professor Lee is a specialist in East Asian security, crisis management, and intelligence and is a frequent commentator on inter-Korean and Northeast Asian security issues. He received his B.A. in political science from Yonsei University in 1982 and his M.A.L.D. and Ph.D. in international security studies from the Fletcher School of Law and Diplomacy in 1998.