He had served as Chief of the General Staff Department of the Korean People's Army from 28 December 2022 to 10 August 2023.

[1] In 2014, he was elected to the 13 convocation of the Supreme People's Assembly, representing the 137th electoral district (Phyongchonkang).

[2] He was also elected to the 14th convocation of the Supreme People's Assembly, representing the 183rd electoral district (Roktusan).

In September 2018 he was appointed to the head of the General Staff Operations Bureau.

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