-Section Head, Chairperson, Associate Professor, International St. Mary’s Hospital, Catholic Kwandong University, College of Medicine, Department of Dermatology
-Issuing Secretary in Korean Society for Aesthetic and Dermatologic Surgery
Dermatologic surgeon
-Mohs Surgeon
-Experience of over 1,000 cases of various skin tumors including skin cancers
-Performance of clinical tests about over 200 cosmetics and cosmeceuticals made in Korea
-Investigator for cosmetic medicinal devices such as laser or anti-aging devices