Orthodontic Consultant, Lecturer, and Fellow of the Royal College of Surgeons of Edinburgh (RCSEd). He is the Founder and CEO of Alexandria Orthodontics Academy and currently serves as an Orthodontic Lecturer at Borg Al Arab Technological University. Dr. Deyab is the International Dental Ambassador for RCSEd in Egypt and an active examiner for the MFDS examinations. His research and academic interests include craniofacial growth modification, cephalometric and skeletal analysis, biomechanics in orthodontics, and evidence-based treatment protocols. He is also a reviewer on the editorial panel of Cureus, contributing to the advancement of peer-reviewed scientific publishing in dentistry and orthodontics.