Abbas Zaher obtained his DDS degree from the University of Alexandria and a PhD in Orthodontics from the University of Alexandria and University of Iowa. He is a professor in the Department of Orthodontics and vice-dean, Faculty of Dentistry, at Alexandria University. Dr Zaher is the vice-president of the World Federation of Orthodontists and the president of the 12th International Symposium on Dentofacial Development and Function. He has lectured internationally and has many scientific publications in Egyptian and international journals.