Master of Science, University Sciences, (Budapest), 1979, Dr rer national, 1982.
Assistant professor Technology University, Budapest, 1979-1984. Alexander von Humboldt Foundation researcher, Braunschweig, since 1985.
Member Institute of Mathematics and its Applications, British Computer Society, London Mathematics Society, American Mathematics Society, Canada Mathematics Society, Association Computing Machinery, Association Computing Machinery Special Interest Group in Graphics, Society Industrial and Applied Mathematics, Institute of Electrical and Electronics Engineers Computer Society, Eurographics Association.
Married Agnes, July 8, 1979. 1 child, Martin.