- Seoul Asan Medical Center Intern
- Otolaryngology resident at Catholic Kwandong University International St. Mary's Hospital
- Clinical instructor, Department of Otolaryngology, Seoul National University Hospital
- Clinical Assistant Professor, International St. Mary’s Hospital, Catholic Kwandong University
- Regular member of the Korean Rhinological Society
- Regular member of the Korean Society of Sleep Respiration
- Member of the Korean Society of Otolaryngology
