- Soonchunhyang University Hospital Intern
- Otolaryngology resident at Soonchunhyang University Hospital
- Clinical instructor, Department of Otolaryngology, Ajou University Hospital
- Assistant Professor, Catholic Kwandong University International St. Mary's Hospital
- Member of the Korean Society of Otolaryngology
- Regular member of the Korean Society of Head and Neck Surgery
- Full member of the Korean Society of Laryngeal Speech-Language Medicine
- Regular member of the Korean Head and Neck Oncology Society