Prof. Jamilian is an orthodontic specialist. He obtained his European Board of Orthodontics in 2013. He is now a full professor of Islamic Azad University, dental branch in Tehran, fellow of Orthognathic surgery and craniofacial syndromes, and a member of craniofacial research center. He has lectured in several international congresses and has been a consultant for various journals. He is also a member of the World Federation of Orthodontists (WFO), America Association of Orthodontists (AAO), European Orthodontic Society (EOS), and Iranian Association of Orthodontists (IOA).