Date and place of birth
Pyongyang University of Foreign Studies, Faculty of French
2018: Nominated as the top DPRK negotiator on nuclear issues.
2015: DPRK ambassador to Spain. Expelled in 2017
2000’s: DPRK ambassador to Ethiopia
2000’s: DPRK ambassador to Sudan
Early 2000’s: Diplomat at the DPRK embassy in Cambodia
Late 1990’s: director at the Nuclear Department, DPRK MOFA. Closest assistant to Kim Kye Kwan, top DPRK negociator on nuclear issues.