•Clinic Director, DC Cosmetic Enterprise Incorporated, Surrey, BC. Canada.
•Korean Dermatological Association
•The Association of Korean Dermatologists
•American Academy of Dermatology
•American Academy of Aesthetic Medicine
•Presentations and Lectures
•Mexican Dermatology Conference 15 Annual Meeting, Queretaro, Mexico, 2005
•General congress of the Association of Korean Dermatologists, 2008