- Korean Society of Plastic Surgeons Life member - Korean Society of Aesthetic Plastic Surgery Full member - Active Member of International Confederation for Plastic, Reconstructive and Aesthetic Surgery - Chang Gung Memorial Hospital Aesthetic Plastic Surgery Center Training - Yonsei Univ. Medical School Adjunct Professor - Hanmaeum Hospital Plastic Surgery Chief Manager - Yonsei Plastic Surgery Co-director - Yonseijin Plastic Surgery Co-director Yonsei Univ. Medical Schhol

- Korean Academic Association of Plastic Surgery Research Life member - Korean Society of Plastic Surgeons Full member - Korean Society of Aesthetic Plastic Surgery Full member - Korean Wound Management Society Full member - American Society of Plastic Surgeons (ASPS) member - Paik Hospital Plastic Surgery Specialist

- Korean Academic Association of Plastic Surgery Research Life member - Korean Society of Aesthetic Plastic Surgery Full member - Korean Society of Plastic Surgeons Full member - Korean Wound Management Society Full member - Hallym Univ. Sacred Heart Hospital Plastic Surgery Specialist - Between Plastic Surgery Director