- 현) EBS 한국사 대표 강사
- 전) KBS1 역사저널 그날 출연
- 전) 국사편찬위원회 자문위원
- 전) EBS 역사 자문위원

- (Current) EBS lecturer in Korean history
- (Former) KBS1 Lecturer, “The Day, History Journal”
- (Former) Member of Advisory Commitee, National Institute of Korean History
- (Former) Member of Advisory Committee, EBS History Content