(Current) Chief Director, Opus Clinic
(Current) Chairman, Korean Academy of Obesity and Aesthetic Treatment (KOAT)
(Current) Standing Advisor, Korean Association for Facial Contouring Surgery (KAFC)
(Former) Director, Global Thread Lifting Center, Pangpang Clinic Sinsa Branch
(Former) Standing Advisor, Korean Society of Obesity, Aesthetic Treatment and Body Contouring; 8th and 9th President
(Former) President, Obesity and Plastic Surgery Research Society
Full Member, Korean Society of Aesthetic Plastic Surgery
Full Member, Korean Society for Aesthetic Laser Medicine and Surgery
Full Member, Korean Society for the Study of Obesity
Full Member, Korean Society of Body Contouring Surgery
Full Member, Obesity Research Society
Full Member, Botox Clinical Research Society