- Catholic Central Medical Center Intern
- Resident, Department of Dermatology, Catholic University School of Medicine
- Full-time doctor, Department of Dermatology, Catholic University College of Medicine
- Assistant Professor, Catholic Kwandong University International St. Mary's Hospital
- (Current) Reviewer for the Korean Journal of Dermatology and Annals of dermatology
- (Current) Member of the Korean Academy of Dermatology
