Dr. Yao-Yuan Chang is a board certified plastic surgeon in Taiwan, and the director of Yes Plastic Surgery and Dermatology Clinic in Taipei. He received plastic surgery training in Mackay memorial hospital after graduation from National Chung-Kung University and received master degree in biomedical material from Taipei Medical University. He published several papers on journal in aesthetic field and translated several books in mini-invasive procedures.

He has broad interesting in beauty for general recognition, aesthetic surgery and procedures. He was also invited to Southeast Asia and China to share his experience on aesthetic evaluation, surgery procedures, filler injection and botulism toxin use. He provides training courses for international trainees to his clinic for detailed lecture and live demo as well.

Dr. Chang has been invited as the advertising person for product endorsement and for media expression such as, Avon and Numen biotech. He is a certified lecturer by Taiwan Ministry of Education, and also the international speaker for Merz, Allergan, Dysport, the lecturer of Taiwan Medical Beauty Nursing Society, Taiwan association of Aesthetic Medicine and Surgery, Chinese Society of Cosmetic Surgery and Anti-aging Medicine.

Dr. Chang is a member of Taiwan Society of Plastic Surgery, Taiwan Society of Aesthetic Plastic Surgery and International Society of Aesthetic Plastic Surgery. He is also a reviewer of Aesthetic Plastic Surgery and has ever been the editorial board member of Plastic and Aesthetic Research, Deputy secretary of Taiwan Mini- Aesthetic Society.