Dr. Hwang is Former Chair and Professor of the Department of Orthodontics at Chonnam National University School of Dentistry, Gwangju, Korea. He received his DDS and PhD degrees from Yonsei University in Seoul, Korea. He has treated many adult patients focusing on esthetics and periodontal health and has developed many innovative clinical techniques to improve the effectiveness and efficiency of treatment to the benefit of both the patient and practitioner. Dr. Hwang is also interested in the diagnosis and treatment of dentofacial deformity patients. As the president of Korean Society of Surgery-first Orthodontics, he has given a number of lectures and provided hands-on courses on this topic.