Jurgis Rimas Dvarionas graduated from the Moscow Conservatory named after P. Tchaikovsky (in 1965) with distinction and finished the postgraduate course as well (in 1969). From 1969 started working at Lithuanian State Conservatory. In 1973 at The Moskow State Conservatory defended the dissertation "Violin Concertos by Lithuanian Composers", for what The Science Board granted him the art critic's degree. He is the organizer of six piano and violin science-methodical conferences (in 1975-1985) as well as the compiler and editor of the conference thesis. In 1981 became an associate professor. Since 1983 is a member of the Lithuanian Composers' Union. Was a LCU critic, chairman of the Musicologists sections member of the Board. Has published over a hundred reviews and articles. In 1992 became a professor.
Jurgis Rimas Dvarionas for three decades (1965–1995) was giving concerts in the countries of Europe, the USA, ex-Soviet Union. Has recorded a number of vinyl records and pieces performed by him in radio stations of Vilnius, Moscow, Warsaw New York, Madrid. Is the first performer of pieces for violin by Lithuanian composers and editor, author of many transcriptions for violin and piano.
During the pedagogical work that lasted for half of the century professor taught many violinists, among them, there are more than twenty laureates of national and international competitions. He gave masterclasses in the schools of higher education institutions of Paris, Berlin, Copenhagen, Malmö, Warsaw, Moscow. Taught in the international summer seminars Gintarinė svetainė in Lithuania, music universities in Greece, interpretational masterclasses in Poland. Is constantly invited to participate in the work of the jury of various violin competitions that are taking place in various countries, Jurgis Rimas Dvarionas is as well one of the formers of the Lithuanian cultural life. In 1989–1998 was a chairman of the Lithuanian Cultural Foundation, is the initiator and organizer of the International B. Dvarionas, J. Heifetz (Vilnius), A. Glazunov (Paris) competitions for violinists.