<p>- 1. Education Background</p> <p>-1984 : graduated from Pusan National University College of Medicine</p> <p>-1989 : Korean board of otolaryngology-head and neck surgery</p> <p>- Professional Career</p> <p>- Director of Dept. of Otolaryngology-HNS, ISAM Hospital, Busan, South Korea</p> <p>- Emeritus Professor, Kosin University College of Medicine (2025– 2030)</p> <p>-Professor, Kosin University College of Medicine (1989 – 2025)</p> <p>-Past President, Korean Thyroid Association (2019-20)</p> <p>-Past President, Korean Intraoperative Neural Monitoring Society (2019-20)</p> <p>-Past President, Korean Society of Thyroid-Head and Neck Surgery (2015-16)</p> <p>-Inaugural Congress President, 1st Asia Pacific Society of Thyroid Surgery (2015)</p> <p>- Research Field</p> <p>-Thyroid, Parathyroid Surgery</p>