- Full Member, Korean Dermatological Association
- Full Member, Korean Society for Dermatologists
- Full Member, Atopic Dermatitis Society
- Full Member, Korean Acne Society
- Member, Korean Society for Skin Anti-Aging Research
- Full Member, Korean Society for Dermatologic Laser Surgery
- Former) Director, Department of Dermatology, ID Hospital
- Former) Director, DA Dermatology Clinic
- Current) Chief Director, Lifton Dermatology Clinic