- Inha University Hospital resident
- Korea-Vietnam Friendship Hospital KOICA International Cooperation Doctor
- Director, Department of Emergency Medicine, Hallym Hospital, Inseong Medical Foundation
- Associate Professor, Catholic Kwandong University International St. Mary's Hospital
- Regular member of the Korean Society of Pediatric Emergency Medicine
- Regular member of the Korean Society of Medical Education
- Regular member of the Korean Society of Clinical Toxicology
- Regular member of the International Health and Medical Association
- Regular member of the Korean Society of Critical Care Medicine
- Regular member of the Korean Society of Emergency Medicine
