Dr. Daehan-Won
- Graduated from Hanyang University, Seoul
- Graduated from Kyungpook National University Graduate School of Medicine
- Samsung Medical Center's training center
- Representative author of 'Understanding Skin Laser and How to Set Parameters'
- Full Member of the Korean Society of Aesthetic Plastic and Laser Medicine
- Full Member of the Korean Society of Clinical Laser
- a full member of the Korean Society of Obesity and Beauty
- a full member of the Korean Pillar Society
- (Former) Director of Skin Center, Leanne Chang Plastic Surgery Clinic
- (Current) Head of Seongsu Primi Clinic