Professor in Department of Obstetrics and Gynecology, Universuty of Ulsan College of Medicine, Asan Medical Center
Visiting Researcher at National Cancer Institute
Clinical Instructor, Assistant Professor, Associate Professor in Department of Obstetrics and Gynecology, Universuty of Ulsan College of Medicine, Asan Medical Center
Fellowship in Department of Obstetrics and Gynecology, Asan Medical Center
Residency in Department of Obstetrics and Gynecology, Seoul National University Hospital, Seoul