• Director of MVP Cosmetic Surgery
• Director of CM Cosmetic Surgery
• Director of Woo-Shik Choi Cosmetic Surgery
• Adjunct Professor, Cosmetic Surgery Dept., Seoul Catholic University
• Member, the Korean Society of Plastic and Reconstructive Surgeons
• Member, the Korean Society for Aesthetic Plastic Surgery
• Member, International Society for Aesthetic Plastic Surgery
• Member, Korean Cleft Palate-Craniofacial Association
• Member, European Society of Aesthetic Surgery
• Member, Asia-Pacific Association of Cleft Lip and Palate