Dr. Darendeliler is Professor and Chair of Orthodontic, Discipline of Orthodontics, at the University of Sydney and Head of Department, Sydney Dental Hospital, Sydney South West Area Health Service. He received his dentistry training from the University of Istanbul and his PhD from the University of Gazi, in Turkey and his first specialist training in orthodontics from the University of Geneva, Switzerland and his second specialist training from the High Education Counsil, Turkey. During the course of his career he has undertaken duties as a clinical instructor, research and postgraduate coordinator (Matre d'Assisstant et de Recherche) at the University of Geneva, Assistant Professor at the University of North Carolina, Research Professor at the University of Southern California. His research interests include orthodontic tooth movement, root resorption, obstructive sleep apnea, temporary anchorage devices, sequential aligners, self-ligating brackets, orthopaedic treatment modalities, magnetic fields and forces and dentofacial orthopedics. He has lectured in North and South America, Europe, Asia, Africa and Australia.