in 1979 graduated from VU Faculty of History and started working at the Faculty of History at the Department of Lithuanian History. in 1987 defended his doctoral thesis "Genesis of Reformation in LDK". in 1990 obtained the pedagogical scientific title of associate professor and was elected dean of the Faculty of History (the position was held for two terms), and in 2002 - Vice-dean of the Faculty of History of VU. in 1993 founded the Department of Theory of History and Cultural History, became its head, and since 2002 started working as a professor of this department. Having prepared an overview of his scientific works "Models of Lithuanian history in the 19th-20th centuries. in historiography" in 2008 passed the habilitation procedure and was granted the pedagogical title of professor in the field of humanities by the resolution of the VU Senate.
Syntheses of Lithuanian history "History of Old Lithuania. 1009–1795" (2005), "The Grand Duchy of Lithuania and its Tradition" (2010), "History of Lithuania" [with A. Eidint, A. Kulakauskas and M. Tamošaičius] (2012, translations into English, German, French, Spanish, Polish, Russian, Belorussian, Latvian, Albanian, Bengali, Hindi, Japanese), "Wielkie Księstwo Litewskie: Wspólna historia, podzielona przemyśl" (2013), "Lithuanian history for everyone" [with A. Eidint, A. Kulakauskas and M. Tamošaičiu] (2018, 1st ed. in Ukrainian), "History of Lithuania. The book of grown-up people" (part 1 2018, part 2 2019, part 3 2020, part 4-5 2022 together with M. Bumblauskas).
Formulation of the concept of Vilnius University history syntheses and creation of various forms of syntheses: "Universitas Vilnensis, 1579-2004" (2004, together with B. Butkevičienė, S. Jegelevičius, etc.), "Vilnius University in photographs" (2004, together with S. . Pebble). "Alma Mater Vilnensis: Features of the history of Vilnius University (2012, 1st edition 2009, together with S. Jegelevičius, V. Pšibilskis, etc.), "Alma Mater Vilnensis: Wealth of Vilnius University in the drafts of history (XVI-XXI centuries)" (2016) , G. Kirkienė, A. Pacevičius, etc.), author of Alma Mater Vilnensis: a short history of the university (2019, E. Raila, R. Gaidis, etc.).
Documentary three-volume "Mysteries of housing. [Vol. 1], From Netimer to ..." (2014), "Mysteries of the apartment. [Vol.] 2, Forgotten Lithuania" (2016), "Mysteries of housing. [Vol.] 3, Lithuania's gate to the sea" (2017) (together with E. Gudavičius, A. Shved) co-author.
