- Professor and Acting Chair of the Department of Orthodontics, as well as, Director of the Craniofacial Research Laboratory, Saint Joseph University of Beirut in Lebanon. - Adjunct Clinical Professor of Orthodontics, Boston University Goldman School of Dental Medicine in USA. - Member of the Tweed Foundation for Orthodontic Research and Education. - Member of the Angle East Society of Orthodontists. - Private orthodontic practices in Beirut, Lebanon and Dubaï, United Arab Emirates.