Master of Science in Computer Science, Warsaw (Poland) University, 1978. Doctor of Philosophy in Computer Science, Warsaw (Poland) University, 1987.
Research and training assistant Institute Informatics, Warsaw University, 1978-1983, senior software engineer, 1983-1993. System designer Carlstedt Elektronik, Partille, Sweden, 1993-1994. Co-founder, system designer Czech Republic&T, Geteborg, Sweden, since 1994.
Visiting researcher Catholic University Leuven, Belgium, 1985. Visiting research fellow University Bristol, England, 1989-1990. Guest researcher University Linköping, Sweden, 1990-1991.
Mem program committee 6th and 7th International Conference on Logic Programming, Lisbon, 1989, Jerusalem, 1990, Joint International Conference and Symposium on Logic Programming, Washington, 1992, 2nd, 4th, 5th International Symposium on Programming Language Implementation and Logic Programming, Linköping, 1990, Leuven, 1992, Tallinn, 1993. Visiting assistant professor University California, Riverside, 1992.
Member Institute of Electrical and Electronics Engineers, Association for Computing Machinery (ACM), Association Louic Prouramming, Polish Computer Science Society (founding member).
Married Maria Gamdzyk, July 21, 1978 (deceased). 1 child, Agata.