· Former professor of Soonchunhyang University 
· Former Section Chief of Korean Armed Forces Capital Hospital 
· The Korean Medical Association Regular Member 
· The Korean Society of Plastic and Reconstructive Surgeons Life Member 
· The Korean Society for Aesthetic Plastic Surgery Regular Member 
· Member of Reserch council for Korean Association of Maxillofacial Plastic 
· Member of The Korean Society of Craniofacial 
· Member of Korean Society for Microsurgery 
· Member of International Society of Aesthetic Plastic Surgery 
· Academi chairman of the Minimal Invasive Plastic Surgery and dermatology(MIPS) 
· Neomaju [Korean cosmetic surgery specialists 18] of co-author