since 2010
Senior scientist, Department for Effect-Directed Analysis at the Helmholtz Centre for Environmental Research - UFZ
2005 - 2010
Scientist at the Department of Environmental Chemistry, Swiss Federal Institute of Aquatic Science and Technology - Eawag, Dübendorf, Switzerland
2005
Postdoctoral Scientist, Department of Soil Science, TU Berlin, Germany
2003 - 2004
Postdoctoral Fellow, Organic Geochemistry Unit/NERC Mass Spectrometry Facility, University of Bristol, UK
2002 - 2003
Postdoctoral Scientist, Department of Soil Science, TU Berlin, Germany
1998 - 2002
Doctoral student and Postdoctoral Scientist, Department of Soil Science and Soil Geography, University of Bayreuth, Germany 
Dissertation: Bioavailability and Chemical Extractability of Polycyclic Aromatic Hydrocarbons and Polychlorinated Biphenyls in Urban Soils (2001)
1992 - 1997
Study of Geoecology at the University of Bayreuth with a focus on Soil Chemistry and Environmental Chemistry