<Education>
- Feb. 1976 Graduated from the College of Law, Seoul National University, Seoul, Korea
- Feb. 1978 Graduated from the Graduate School of Law, Seoul National University, Seoul, Korea
- May 1983 M.A. from The School of Advanced International Studies (SAIS), The Johns Hopkins University, Washington, D.C., U.S.A.

<Career>
- Mar. 2013 Minister of Foreign Affairs
- Jan. 2013 Member of the Subcommittee on Foreign Affairs, National Defense and Unification, the 18th Presidential Transition Committee
- Mar. 2009 Visiting Professor, Graduate School of International Studies (GSIS), Sogang University, Seoul, Korea
- Jan. 2009 Senior Advisor, Law Offices of Kim & Chang
- Dec. 2006 Senior Presidential Secretary for Foreign, Security, and Unification Policy
- Jan. 2006 Deputy Minister for Foreign Affairs, MOFAT
- Sep. 2004 Senior Coordinator, National Security Council
- Jul. 2002 Minister, Korean Embassy in the United States of America
- Feb. 2000 Minister, Korean Permanent Mission to the UN Secretariat and International Organizations in Geneva, Switzerland
- Jul. 1999 Deputy Director-General, North American Affairs Bureau, MOFAT
- Feb. 1999 Deputy Director-General, Asian and Pacific Affairs Bureau, Ministry of Foreign Affairs and Trade (MOFAT)
- Jan. 1995 Minister-Counsellor, Korean Embassy in the Republic of Singapore
- Jan. 1994 Director, North America Division I, MOFA
- Jan. 1990 Counsellor, Korean Permanent Mission to the United Nations in New York, United States of America
- Jul. 1984 Consul, Korean Consulate General in Sydney, Australia
- Mar. 1977 Joined the Ministry of Foreign Affairs (MOFA)
Nov. 1976 Passed High Diplomatic Service Examination