Algirdas Puisys has been working at private practice in Vilnius, Lithuania since 2002. He graduated from Vilnius Univesity (Lithuania) in 2002 and periodontology residency from Lithuania University of Health science in 2006 and was awarded PhD from Vilnius University (Lithuania) in 2016 . Dr. Algirdas Puisys is an ITI Fellow. He is international course instructor and lecturer. Winner of clinical research competition of EAO in 2012 Copenhagen, in 2022 Geneva and in 2025 Monaco, winner of Andre Schröder prize 2025, contributor of „Zero bone loss concepts“ book, Quintessence.