- Wonju Severance Christian Hospital trainee
- Wonju Severance Christian Hospital Surgery Resident
- Severance Hospital Clinical Research Assistant Professor
- Clinical Assistant Professor, International St. Mary’s Hospital, Catholic Kwandong University
- Lifetime member of the Korean Society of Hepatobiliary and Pancreatic Surgery
- Lifetime member of the Korean Society of Pancreatic Surgery
- Lifetime member of the Korean Surgical Society
