- Assistant Professor, Department of Obstetrics and Gynecology, Uijeongbu St. Mary's Hospital
- Professor of obstetrics and gynecology at Yeouido St. Mary's Hospital
- Professor of Obstetrics and Gynecology at Seoul St. Mary’s Hospital
- Visiting professor at Catholic Kwandong University International St. Mary’s Hospital
- Honorary member of Taiwan Obstetrics and Gynecology Society
- Honorary member of the Japanese Society of Obstetrics and Gynecology
- Regular member of the Korean Academy of Medical Sciences
- Advisor to the Korean Menopause Society
- Chairman of Healthy Women Foundation
- Chairman of Healthy Women Foundation
