- several industrial companies (1981 – 1996): internal administration, management and controlling
- securities trading house (1997 – 2001): assistant to the management, later member of the board in 2001, administration and finance.
- Baader Bank AG (2002 – 2010): co-head of the origination team, investment-banking
- since 2011: proprietor of photo studio Keepsmile in Castrop-Rauxel
- since 2004: honorary coach of the Economic Development Department of the City of Dortmund (start2grow project)