Dermatologist Graduated from Seoul National University College of Medicine Graduate School of Medicine, Seoul National University College of Medicine Master of Medicine, Seoul National University College of Medicine Graduate School of Medicine, Seoul National University Hospital Trainee, Seoul National University Hospital Dermatology Specialist,

Advisor, Korean Dermatological Society, Vice-President, Korean Dermatological Association Member, Korean Dermatological Society Member, Korean Dermatological Society Member, Korean Dermatological Research Association Member, Korean Dermatological Association Member, American Laser Society Member, American Dermatological Association Member Executive member of the Korean Dermatological Research Association Executive member of the Korean Dermatological Association Executive Director of the Seoul Branch of the Korean Dermatological Association Executive Director of the Skin Pathology Research Committee Educational Director of the Korean Dermatological Association Medical Director of the Korean Dermatological Association Academic Director of the Korean Dermatological Association Executive Director of the Korean Dermatological Association Vice President of the Korean Dermatological Association president of society