- Inha University Hospital Resident
- Department of Emergency Medicine, Bupyeong Serim Hospital
- Clinical instructor, Department of Emergency Medicine, Inha University Hospital
- Department of Emergency Medicine, Catholic Kwandong University International St. Mary's Hospital
- Director of Emergency Medical Center, Catholic Kwandong University International St. Mary's Hospital
- Associate Professor, Catholic Kwandong University International St. Mary's Hospital
- Regular member of the Society of Pediatric Emergency Medicine
- Regular member of the Korean Society of Clinical Toxicology
- Regular member of Korea Clinical Opportunity Association
- Regular member of the Korean Society of Emergency Medicine
