• Chief of Dermatology Dept., Daejeon Army Hospital
• Completed Internship & Residency at Yonsei Severance Hospital
• Received M.Med at School of Medicine, Yonsei University
• Official Member, the Association of Korean Dermatologists
• Official Member, the Korean Hair Research Society
• Official Member, the Korean Society of Hair Restoration Surgery
• Official Member, Korean Acne Care Association
• Official Member, the Korean Atopic Dermatitis Association
• Official Member, Korean Association of Stemcell Therapy
• Official Member, Korean Society of Aesthetic Surgery
• Director of Research, Best Stemcell Research Association