- Korea University Hospital Internal Medicine Resident
- Clinical instructor, Department of Infectious Diseases, Korea University Guro Hospital
- Clinical Assistant Professor, Department of Infectious Diseases, Guro Hospital, Korea University
- Director of Infection Control at Catholic Kwandong University International St. Mary’s Hospital
- Assistant Professor, Catholic Kwandong University International St. Mary's Hospital
- Member of the Korean Society of Internal Medicine
- Member of the Korean Society for Healthcare-Associated Infection Control
- Member of the Korean Society of Infectious Diseases
