Dr. Chung is a distinguished professor of international studies at Dong-A University. Previously, he was senior secretary for foreign policy and national security to President Kim Young Sam (1993-95), Korean ambassador to China (1996-1998), and professor international politics at Seoul National University (1977-93) where he is currently a professor emeritus. He has been an assistant professor of international studies at American University (1975-77), a visiting professor at George Washington University, a Freeman Foundation visiting professor at Claremont McKenna College, a Kim Koo visiting professor in the Department of Government at Harvard University (spring 2011), and at the Nanyang Technological University in Singapore (2010-2011). He received his B.A. in international relations from Seoul National University and a Ph.D. in political science from Yale University.