Diploma in сivil engineering, Technology U. Hannover, Federal Republic Germany, 1966; D in Civil Engineering, Technology U. Hannover, Federal Republic Germany, 1971.
Managing director STUVA, Cologne, Germany, since 1977. Member, secretary German Committee Underground Construction, since 1980. Lecturer Technology University Braunschweig, Federal Republic Germany, since 1989.
Member executive board STUVA-Research Association for Underground Transportation Facilities, since 1995. Professor Technology University Braunschweig, Germany, 1996. Member various international commissions on fire protection for tunnels and underground facilities.
Member of German Society Trenchless Technology (1st vice chairman 1990—2007), Deutches Institute für Normung (chairman waterstops committee since 1985), Deutsches Institute für Bautechnik (chairman waterproofing committee 1975-1990), International Tunnelling Association (tutor maintenance committee 1991—2005, board directors 1995—2004, president 1998—2001, past president 2001-2004, chairman COSUF-Industry Training Authority committee operating safety underground facilities 2005-2007, vice chairman YCTP German construction technical platform 2005-2008).
Married Renate Pfuff, February 12, 1971. Children: Christoph, Michael, Markus.