Diploma, Vilnius Pedagogical University, 1955. Doctor Technology Sciences, Russian Academy of Sciences, 1978. Professor, Academy Management Vilnius, 1986.
Senior scientist, Research Institute Gas, Moscow, 1962-1968; head laboratory, Research Institute Economics Gas Industry, Moscow, 1968-1978; senior scientist, Computer Center Russian Academy Sciences, Moscow, 1978-1982; head laboratory, Institute Mathematics and Informatics, Vilnius, Lithuania, since 1982. Chairman Lithuanian Scientist Society Department Informatics, Vilnius.
Member Lithuanian Scientist Society (member county), Union of the Soviet Socialist Republics Computer Science Association.
Married Aurelija Grishkevichiute, August 18, 1983. 1 child, Egle.