Department of Dermatology, Seoul National University College of Medicine, Bachelor of Medicine, Seoul National University College of Medicine, Graduate School of Medicine, Seoul National University, Master of Science, Department of Microbiology, Graduate School of Medicine, Seoul National University Professor

Now The Return Dermatology Clinic CEODirector

of Executive Director of the Dermatological Society Director of the Korean Dermatological Research Association Member of the Pharmaceutical and Medical Devices Committee of the Korean Dermatological Association Member of the Korean Society of Molecular and Cellular Biology Director of the Korean Skin Barrier Society