- Severance Hospital Resident
- Clinical instructor at Gangnam Severance Hospital
- Lindenhospital Fellow
- Harvard Shoulder Service Mass Hospital Research Instructor
- Director of Hospitalization at Catholic Kwandong University International St. Mary's Hospital
- Department of Orthopedic Surgery, Catholic Kwandong University International St. Mary's Hospital
- Catholic Kwandong University International St. Mary's Hospital 2nd Deputy Director
- Associate Professor, Catholic Kwandong University International St. Mary's Hospital
- Outstanding Teacher Award for the First Half of Fiscal Year 2015
