Editorial Writer, Seoul Administration News

Finance manager, KRTV

Professional Committee, KRTV

Pai Chai School Advisory Lawyer

Seoul Jongno-gu Advisory Lawyer

Members of the Civil Service Coordination Committee in Jongno-gu, Seoul

Counselor at Gangnam IOK Ophthalmology Clinic

Counselor of Namyangju City Branch of the Korean Senior Citizens' Association

Professional Committee Member of FDA ASIA

Attorney, Sanwoo Lawfirm