• Graduated from School of Medicine, Kyungpook National University
• M.D., Graduate School of Medicine, Kyungpook National University
• Professor of Dermatology & Immunology Dept., School of Medicine, Kyungpook National University
• Official Member, Internatioanl Society of Hair Restoration Surgery
• Official Member, European Society of Hair Restoration Surgery
• Director, the Korean Society of Hair Restoration Surgery
• Acquired License of American Board of Hair Restoration Surgery