Professor Han received both his B.A. and M.A. in political science and diplomacy from Yonsei University and received his M.A. and Ph.D. from Fletcher School of Law and Diplomacy, Tufts University. He served as a visiting fellow at Institute of Asia-Pacific Studies of Chinese Academy of Social Science, China and teaching professor of School of Government at Peking University. His recent English publications include Public Diplomacy between China and the World: The 2008 Beijing Olympic Torch Relay, A Test Case (2009), From Engagement to Hedging: South Korea’s New China Policy (2008), Alliance Fatigue amid Asymmetrical Interdependence: Sino-North Korean Relations in Flux (2004).