Major Professional Experiences (Residency, Internship)
- Professor and Chairman, Department of Otolaryngolgy , CHA Bundang Medical Center, CHA University, Gyeonggi-Do, Korea
- Professor in Chairman, Department of Otolaryngolgy, Jeju National University College of Medicine, Jeju, Korea
- Residency in Seoul National University College of Medicine, Seoul, Korea
- Internship in Seoul National University College of Medicine, Seoul, Korea