Simonas Grybauskas, D.D.S., M.D., PhD, MOS RCSEd Simonas Grybauskas graduated from Kaunas University of Medicine and acquired his Dental degree in 2000. In Vilnius University he completed his training in oral surgery (2003) and maxillofacial surgery (2006). In 2008 he acquired his Medical degree and became a double qualified oral and maxillofacial surgeon. Simonas Grybauskas passed the exams and became a Member of the Royal College of Surgeons of Edinburgh as of 2005. In 2009, he acquired PhD degree awarded by Riga Stradins University (Latvia). Present positions of Simonas Grybauskas are Consultant in Oral and Maxillofacial Surgery at Vilnius University and his private practice S’OS Simonas Grybauskas’ Orthognathic Surgery. Simonas is an author of scientific publications and has delivered more than 100 lectures on orthognathic and reconstructive surgery in international conferences and courses. Dr. Grybauskas is a member of the Lithuanian Association of Maxillofacial Surgery as of 2002, a member of the Baltic Association of Maxillofacial and Plastic Surgery since 2003 and a member of the European Association for Cranio–Maxillofacial Surgery starting from 2005. Simonas hosted and directed a major international event – the 1st and the 2nd Baltic Sea Conferences on Orthognathic Surgery and Orthodontics in Vilnius in 2009 and in Riga in 2015. Dr. Grybauskas devotes most of his time to orthognathic and reconstructive surgery, maxillofacial traumatology and implantology. Differences in facial morphology among populations and their influence on planning of facial surgery is the scope of his scientific work.