since 2011: Coaching for Professionals Owner, Management Consultant und Executive Coach
2004 to 2012: KAEFER Isoliertechnik GmbH & Co KG, Bremen COO / Vice Chairman of Group Executive Committee, Responsible for business units Industrial Service Europe and globally for Shipbuilding, Construction and Aerospace businesses, 1.200 mio € turnover / 17.500 employees (2011)
2002 to 2004: SITA GmbH, Köln - SUEZ Group, Paris, Chief Executive Officer (CEO), Communal and industrial waste management services, energetical and material recycling and long term disposal, 510 mio € turnover / 4.200 employees (2004)
1999 to 2002: BBP Service GmbH, Oberhausen - BABCOCK Borsig AG, NRW, Chief Executive Officer (CEO), Global responsibility for industrial services, maintenance, rehabilitation and operation of power plants and industrial plants, 450 mio € turnover / 1.750 employees (2001)
1996 to 1999: BABCOCK Kraftwerkstechnik GmbH - BABCOCK Borsig AG, NRW, Director, EPC and maintenance projects, conventional and nuclear power plants Europe, 45 mio € turnover / 230 employees (1998)
1991 to 1996: MANNESMANN Anlagenbau AG, Düsseldorf, Project manager international power plants, Project responsibility up to 30 mio €