Senior Academic Director, Korean Society of Aesthetic Surgeons, Senior Planning Director, Korean Lifting Research Society Director, Korean, Chinese and Japanese Society of Aesthetic Surgeons Full member, Korean Society of Aesthetic Lasers Full member, Korean Society for Obesity and Anti-Aging Full member, Korean Society for Obesity and Anti-Aging Full member, Korean Society for Aesthetic and Wellbeing Full member, Korean Society of Aesthetic Surgery Full member, Korean Society of Aesthetic Surgery Full member of the Obesity Society