2008

Habilitation, subject: "Analysis and modelling of nutrient transport and transformation processes on the catchment scale"
2007
Deputy Head of Department of Aquatic Ecosystem Analysis and Management at the Helmholtz Centre for Environmental Research - UFZ. Head of catchment modelling section
2003
Head of the Department of Hydrological Modelling at the UFZ
1998
Head of the Interdisciplinary Dep. of Riverine and Lacustrine Landscapes at the UFZ
1997
Leader of the research group "GIS, Water Quality & Modelling"
1996
Scientist to the UFZ Centre for Environmental Research Leipzig-Halle, Dep. of Inland Water Research
1990
Assistant lecturer at the Dep. of Landscape Development, Justus-Liebig-University Giessen
1995
Ph.D., subject: "Quantification of non point source phosphorus inputs to surface waters"
1991-1995
Ph.D.-student at the Dep. of Landscape Development, Justus-Liebig-University Giessen, grant of the Friedrich-Ebert-Foundation
1989
German Diploma (Master of Science) in Agronomy, Justus-Liebig-University Giessen, Germany