| 2021. 3. ~ Present |
Seoul National University Hospital, Assistant Proffessor |
| 2020. 2. ~ 2021. 2. |
Seoul National University Hospital, Assistant Proffessor |
| 2018. 9. ~ 2019. 9. |
Health Insurance Review and Assessment Service, Member of Heathcare Review and Assessment Committee |
| 2016. 5. ~ 2017. 7. |
Daejeon High Court, Chief of the Medical Service |
| 2015. 7. ~ 2016. 4. |
Chungnam National University Hospital, Assistant Professor |
| 2012. 3. ~ 2015. 2. |
Seoul National University College of Medicine, Department of Health Policy and Management, Resident |
| 2007. 3. ~ 2012. 2. |
Seoul National University Hospital, Department of Surgery, Resident |
