Mar. 2011 Assistant Secretary, Office of the President
Feb. 2012 Minister-Counsellor, Korean Embassy to the Ukraine
Jul. 2014 Minister-Counsellor, Korean Permanent Mission to the United Nations in New York, U.S.A.
Jan. 2018 Ambassador Extraordinary and Plenipotentiary to the Federal Democratic Republic of Ethiopia
Nov. 2020 Government Representative for Arctic Affairs