Formerly: Dean, Graduate School of International Studies, Yonsei University; Chairman, Presidential Committee, Northeast Asian Cooperation Initiative, a cabinet-level post; Ambassador for International Security, Ministry of Foreign Affairs and Trade, Korea; Adjunct Professor, Asia-Pacific Studies Institute, Duke University; President, Korea Peace Research Association. Currently, Distinguished University Professor, Yonsei University, Speical Advisor to the ROK President for Foreign Affairs and National Security, Krause Distinguished Fellow, UCSD, and Editor-in-Chief, Global Asia, a Seoul-based quarterly English magazine. . Author of more than 40 books and 230 articles.
