전) 삼성전자 메모리사업부 플래시개발실 상무
전) 더불어민주당 재선 최고위원
전) 국가공무원인재개발원 원장
전) 더불어민주당 일본경제침략대책특별위원회 부위원장
현) 더불어민주당 미래전환 K-뉴딜위원회 부위원장
현) 더불어민주당 반도체기술특별위원회 부위원장
현) 제21대 국회의원 (광주 서구을/더불어민주당)
현) 제21대 국회 전반기 기획재정위원회 위원
현) 제21대 국회 전반기 예산결산특별위원회 위원

Former)
Director of Flash Development Department, Memory Business Division of Samsung Electronics
Member of Supreme Council, Democratic Party of Korea
President, National Human Resources Development Institute
Vice-Chair of Special Committee on the Japanese Economic Aggression, Democratic Party of Korea

Current)
Vice-Chair of K-New Deal Committee for Future Transformation, Democratic Party of Korea
Vice-Chair of Special Committee on the Semiconductor Technology, Democratic Party of Korea
Member of the 21st National Assembly of the R.O.K (Gwangju Seo-gu Eul/Democratic Party of Korea)
Member of Strategy and Finance Committee for the 1st half of the 21st National Assembly of the R.O.K
Member of Special Committee on Budget and Accounts for the 1st half of the 21st National Assembly of the R.O.K