Brother conductor Jonas Aleksa, sister Rimantė Dušauskienė-Duž. 1954-1959 studied at the Faculty of Theatrology of the Leningrad Institute of Theatre, Music and Cinematography. 1960-1964 Graduate student of the Institute of Art History in Moscow, 1980-1984. PhD student. in 1985 Doctor of Arts.
1970-1985 taught Marxism-Leninism at the Philosophy Department of the Vilnius Engineering Construction Institute, 1985-1988. Academy of Muses in Bratislava at the Theater Department; since 1987 professor Since 1988 Professor of the Department of Art History and Theory of the Faculty of Theater and Cinema of the Lithuanian Conservatory (now the Lithuanian Academy of Music and Theatre), since 1996. and head of the Department of Theatrology at the Lithuanian Institute of Culture and Art.