Diploma in engineering, University Karlsruhe, Germany, 1980. Doctor in Engineering, University Karlsruhe, Germany, 1984. Doctor in Engineering, University Auckland, New Zealand, 1993.
Doctor Habilitation, University Erlangen, Germany, 2000.
Research assistant University Karlsruhe, 1977-1980, research associate, 1980-1984. Research fellow University British Columbia, Vancouver, 1984-1985. Senior lecturer University Auckland, 1986-1991, associate professor, 1991-1993.
Professor, head of department University Surrey, England, 1993-1999, head School Chemical, Civil and Environmental Engineering, 1997-2000. Director Institute for Applied Thermodynamics German Space Agency. Director Institute for Thermodynamics and Thermal Engineering, University Stuttgart, Germany, since 2000.
Committee member Engineers for Social Responsibility, Auckland, 1990-1993. With German paramedic unit, 1973-1974. Fellow Institute Chemical Engineers United Kingdom.
Member AICE, American Institute Material Engineers, American Institute Mech. Engineers.
Married Renate Myrtha, October 14, 1983. 1 child, Patrick.