Professor Tomasz Tomaszewski, MD, PhDGraduate of the Medical University of Lublin. Specialist in otolaryngology and maxillofacial surgery. Since 1995, Head of the Department and Clinic of Maxillofacial Surgery, Medical University of Lublin. Reviewer of numerous doctoral and post-doctoral dissertations. Author of numerous reviews for conferring the professorship title. Author and co-author of numerous scientific papers and convention announcements presented at national and international conferences, especially in the field of traumatology, maxillofacial surgery, surgical treatment of gnathic defects using piezoelectric surgery, distraction and modification of facial skeleton bone growth in children. In the years 2003-2005 Vice-President and Chairman of the Polish Association for Oral and Maxillofacial Surgery. In 2005, the organizer of the 5th Congress of this  Association. Currently member of the Polish Association for Cranio-Maxillofacial Surgery, Oral Surgery and Implantology and European Association for Cranio-Maxillofacial Sugery.