Master of Science, Aachen University of Technology, Germany, 1967. Doctor of Philosophy in Engineering, Aachen University of Technology, Germany, 1972.
Technical director Messer Griesheim GmbH, Munich, 1972-1984. Research director Carl Cloos GmbH, Haiger, Hessen, Germany, 1984-1989. Professor Aachen (Germany) University, since 1989.
Board directors WeldAix GmbH, Aachen.
Married Petra Marie Kiehn, 1968. 1 child, Jochen.