[EDUCATION]
- Feb. 1989. B.A. in Political Science and Diplomacy, Yonsei University, Seoul, Korea
- Jul. 1991. M.A. in Diplomacy and Security, Graduate School of Public Administration, Yonsei University, Seoul, Korea

[CAREER]
- Apr. 1991. Passed High Diplomatic Service Examination
- May. 1991. Joined the Ministry of Foreign Affairs (MOFA)
- Jan. 2002. First Secretary, Korean Embassy in Democratic Socialist Republic of Sri Lanka
- Feb. 2004. Assistant Secretary, Office of the President
- Feb. 2006. Counsellor, Korean Embassy in the United States of America
- Jul. 2008. Adviser to the Minister, Ministry of Foreign Affairs and Trade (MOFAT)
- Jun. 2009. Director, North Korean Nuclear Affairs Policy Division, North Korean Nuclear Affairs Bureau, MOFAT
- Sep. 2011. Secondment to the International Atomic Energy Agency (IAEA), Department of Safeguards, as a Nonproliferation Expert
- Sep. 2014. Minister, Korean Embassy in the Republic of Austria and Korean Permanent Mission to the International Organization in Vienna
- Feb. 2017. Special Advisor to the Minister, Ministry of Foreign Affairs (MOFA)
- Nov. 2017. Director-General for North Korean Nuclear Affairs, Ministry of Foreign Affairs (MOFA)
- Nov. 2019. Ambassador Extraordinary and Plenipotentiary to the Kingdom of the Netherlands
- Jan. 2024. Ambassador Extraordinary and Plenipotentiary to the Republic of Türkiye
- Nov. 2025. Vice Minister for Strategy and Intelligence, Ministry of Foreign Affairs (MOFA)