A-Bakr Rabie is a Professor of Orthodontics. He obtained his Certificate of Proficiency in Orthodontics, Master of Science, and PhD from Northwestern University. Professor Rabie has been Postgraduate Programme Director in Orthodontics, the Founder and Convenor of Biomedical and Tissue Engineering Research, and the Director of the Centralized Research Laboratories at the Faculty of Dentistry, University of Hong Kong. In 1997, he became a Fellow of Hong Kong Academy of Medicine in Dental Surgery and Fellow of the College of Dental Surgeons of Hong Kong; and obtained the Fellowship in Dental Surgery ad hominem of the Royal College of Surgeons of Edinburgh in 2005. Professor Rabie is an Editorial Board member of the Orthodontics and Craniofacial Research, The Open Dentistry Journal, International Journal of Dentistry, International Journal of Oral Science and Egyptian Journal of Oral & Maxillofacial Surgery, reviewer of the Angle Orthodontists, Journal of Dental Research, International Journal of Connective Tissue Research, International Journal of Paediatric Dentistry, Gene Therapy and Honorary Editorial Advisor of the Hong Kong Dental Journal.