1986-1993: PhD at Institute of Thermal Turbomachinery, Universität Karlsruhe (TH), now KIT. Topic: spray and droplet evaporation in gas turbine flows. Experimental and theoretical work.1994 - 2004: Delphi Auotmotive Systems, Luxemburg. Various positions, starting as an application engineer. Then responsible for build-up of a research lab for gasoline direct injection. Final management role: manager of the innovation centre.2004 - today: RWTH Aachen University, LS für Wärme- und SToffübertragung