Sungkyunkwan University, College of Medicine, Professor, Dermatology, Inje University College of Medicine, Inje University, College of Medicine, Department of Dermatology, Outpatient, Professor, Department of Dermatology, Sungkyunkwan University, College of Medicine, Konkuk University, Graduate School of Cosmetics, Graduate School, Member,

Now Jongro S&U Dermatology Clinic Director