Bachelor of Science, University Bucharest, Romania, 1965; Doctor of Philosophy, University Bucharest, Romania, 1970.
Assistant professor, Polytech. Institute of Iasi, 1966-1967;
assistant professor, lecturer, Polytech. Institute of Bucharest, 1970-1980;
associate professor, Polytech.
Institute of Bucharest, 1980-1987; chairman of mathematics, Polytech. Institute of Bucharest, 1987-1988; analyst milk factory, Bucharest, 1988-1989; professor, Polytech. University Bucharest, since 1990.
Director Institute of Applied Mathematics of Romanian Academy, since 1995.
Member Institute of Electrical and Electronics Engineers.
Son of Teodor and Victoria (Coban) H. Polixenia Valeria Belgun, April 5, 1966 (divorced September 1989). Children: Razvan, Corina Simona.