1. Clinical Instructor in Orthodontics, Growth and Development Department, College of Dentistry, Ajman University of Science & Technology, Ajman, United Arab Emirates.
2. Professor in Orthodontics, Department of Preventive Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan.
3. Associate Professor in Orthodontics, Department of Preventive Dentistry, Faculty of Dentistry, Jordan University of Science and Technology, Irbid, Jordan.