Diploma in engineering, TH Wien, Vienna, Austria, 1974. Doctor of Technology, TH Wien, Vienna, Austria, 1977.
Project leader Deutsche Babcock, Oberhausen, Germany, 1978-1982. Manager TÜV Rheinland, Cologne, Germany, 1982-1986. Chief engineer Progas, Dortmund, Germany, 1986-1987.
Manager Akzo Engineering, Arnheim, The Netherlands, 1987-1989. Professor University of Applied Sciences, Hamburg, Germany, since 1990. Member academy senate University Applied Sciences, 1993-2002.
Board directors Verein Deutscher Ingenieure Hamburg. Director working group fuel cells, Düsseldorf, Germany, since 2002. Advisor European Fuel Cell Forum, Luzerne, Switzerland, since 1998.
Science advisor European Commission Joint Radio Company Institute Energy, since 2004.
President Hochschullehrerbund, Hamburg, 1993-1995. Served with Austrian military, 1977-1978. Member Lions (president Hamburg Uhlenhorst chapter 1998-1999).
Married Beate Jäger, April 30, 1981. Children: Brigitte, Wolf-Christian.