- Former Surgeon, International Hair Transplantation Institute
- American Board of Hair Restoration Surgery (ABHRS) Registered
- Life Member, ISHRS (International Society of Hair Restoration Society
- SMP Faculty Member, ISHRS
- Executive Director, Korean Dermatology & Hair Association
- Member, Asia Hair Restoration Surgery Association
- Member, Korean Hair Transplant Association
- Member, Korean Aesthetic Surgeon’s Association
- Former) Newhair Institute Surgeon
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