Dr. 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.Dr. Grybauskas is a member of Lithuanian Association of Maxillofacial Surgery as of 2002, a member of Baltic Association of Maxillofacial and Plastic Surgery since 2003 and a member of European Association for Cranio–Maxillofacial Surgery starting from 2005. Simonas hosted and directed a major international event – 1st Baltic Sea Conference in Orthodontics and Orthognathic Surgery in Vilnius in 2009. 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.