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).[3] Following the 7th Congress of the Workers' Party of Korea, he was elected to the 7th Central Committee of the Party.[4][5] He served as the commander of a military unit on the border with China. In September 2018 he was appointed to the head of the General Staff Operations Bureau.[6]