Gintautas Kėvišas took up the management of the Lithuanian National Opera and Ballet Theatre in July 2002. Having studied the piano at the Lithuanian Academy of Music with Prof. Olga Šteinbergaitė and at the Gnesins Pedagogical Music Institute in Moscow with J. Liberman, he began his musical career as a concert pianist. As a founder and artistic director of the philharmonic chamber ensemble, he toured extensively to Armenia, Azerbaijan, Georgia, Estonia, Iceland, Italy, Latvia, Slovenia, Sweden, and elsewhere.
He was general director of the Lithuanian National Philharmonic Society from 1988 to 2000, and Minister of Culture of the Republic of Lithuania from November 2000 to July 2001. He has been director of the "Old and New Monte Carlo" concert agency since 1993. He is also active as a consultant to various international festivals and manager of various international art projects. He is the founder (1997) and artistic director of the Vilnius Festival.
His work as an international impresario has resulted thus far in over 80 collaborations with Sir Yehudi Menuhin, Lithuanian Chamber Orchestra and Kaunas State Choir in South America (Colon Theatre, Buenos Aires), South Africa, Egypt, and Europe. He also organized tours of the Lithuanian National Symphony Orchestra and Kaunas State Choir to the world's foremost venues and festivals with participation of Mstislav Rostropovich, Krzysztof Penderecki, Jessye Norman, Maurice Andre, Yuri Bashmet, Vadim Repin, and Julian Rachlin, as well as those of the LNOBT Ballet Troupe under Mstislav Rostropovich to Germany, Greece, Japan, Great Britain (Barbican Arts Centre, London) and the USA (John F. Kennedy Center for the Performing Arts, Washington).
Gintautas Kėvišas has been regular attendant at the annual conferences and general assemblies of the International Society for the Performing Arts (ISPA), the International Artist Managers' Association, and the European Festivals Association (EFA). He also delivered presentations at the ISPA conference in Stockholm, the "Modern Cultural Management as Part of the Cultural Policy" international conference in Vilnius, round-table discussions of the EU ministers of culture and audiovisual affairs in Falun, Sweden, and in Paris, organized by the UNESCO.
At present Gintautas Kėvišas is associate member of the ISPA and EFA, member of the Curatorial Board of the "Philharmonic Society of Nations" Orchestra, member of the Artistic Board of the Nordland Music Festival, and Chairman of the Lithuanian Academy of Music and Theatre Council. Among his distinctions are the honorary citizenship of New Orleans, the 5th Class Order of the Lithuanian Grand Duke Gediminas, the Officer's Cross of the Order "For the Merits to Lithuania", the Royal Order of Norway, and the artistic award and honorary membership of the Min-On Concert Association, Japan. In 2015 the president of the republic of Poland Bronisław Komorowski awarded G. Kėvišas with the Officer Cross of the Order of Merit of the People's Republic of Poland, for his long-time effort and cultural activities that bring the nations of Poland and Lithuania closer together. In 2016 he was also bestowed the Officer's degree of the Order of the Star of Italy, and in that same year was announced as the honorary consul of the Republic of Slovenia in Lithuania.