In 1940, Kulakauskas graduated Kaunas Military School. In 1944–1945, he studied at
Vytautas Magnus University's Faculty of Medicine. In 1948, he graduated
Lithuanian Sports University. In 1945–1950, he taught at Lithuanian Sports University. In 1950–1960, he was Head of the Department of Physical Education at
Lithuanian University of Educational Sciences, in 1957–1960 he was even the Dean of the Faculty of Music. In 1961–1980, he became a teacher at
Vilnius Gediminas Technical University, and from 1964 the Head of the Department of Physical Education. In 1968, he became associate professor. He also published the book
Krepšininko treniruote (
English:
The basketball player workout), where he included many epitomes regarding training. ==Personal life==