1988-1993 Study of civil engineering at RWTH Aachen University

1999 Doctorate at the University of Wuppertal, subject: "Adhesion of clay soils during tunnel driving with liquid shields".

1993-1995 Philipp Holzmann AG, Technical office, Neu-Isenburg,
- Structural engineer civil engineering and tunnel construction, research + development

1995-1998 Herrenknecht AG, Schwanau,
- Project Manager Geotechnics, Research + Development

1998-2002 Philipp Holzmann AG, Tunneling and Civil Engineering Branch, Düsseldorf,
- Site Manager and Technical Coordinator Westerschelde Tunnel, NL
- Deputy Area Manager Tunnel Construction Abroad

2002-2003 Zerna Ingenieure, Bochum,
- Project Manager Planning Groundwork and Tunneling

2003-2005 STUVA, Studiengesellschaft für unterirdische Verkehrsanlagen e.V, Köln,
- Project Manager Research Civil Engineering, Consulting for Tunnel Construction

Since Okt. 2005 Ruhr-Universität Bochum,
- Chair of Tunneling, Pipeline Construction and Construction Operations

DAUB Deutscher Ausschuss für unterirdisches Bauen - Member

IKT Institut für Unterirdische Infrastruktur, Gelsenkirchen, Supervisory Board

TUST Tunnelling and Underground Space Technology – Editorial Board Member

MTC Tunnelconsultants Duisburg, "Of Counsel" - scientific advisor