Diploma in Mathematics, University Bielefeld, Germany, 1981. Doctor of Philosophy in Theoretical Chemistry, University Regensburg, Germany, 1985.
Research scientist in theoretical chemistry University Regensburg, 1981-1985. Mathematician Deutsche Aerospace AG, Munich, 1985-1988. Scientist for mathematics and science computing John von Neumann Institute Computing, Center for Applied Mathematics, Research Center Jülich, Germany, 1988—2007.
Head department mathematics Center for Applied Mathematics, Research Center Jülich, Germany, since 1998. Professor science computing Aachen University Applied Sciences, Germany, 2006. Coordinator master program technomath.
Research Center Jülich, 2007. Head division mathematics and education Institute Advanced Simulatiion, Jelich Supercomputing Center, since 2008.
Member Gesellschaft für Informatik (working group on computer algebra since 1990), Society for Industrial and Applied Mathematics.
Married Maria Anna Mels, November 25, 1977. Children: Judith, Theresa.