Scientific Career
- 1979–1983 Studies in Agricultural Sciences, University of Göttingen
- 1984–1987 Scientific Assistant at the Institute for Soil Science, University of Göttingen
- 1987 PhD, thesis: “Regionally Differentiated Nitrogen Budgets for Agriculture in Germany”
- 1988–1989 Junior Assistant in Morocco, German Agency for Technical Cooperation (GTZ)
- Since 1990 Scientific Assistant at the Institute for Natural Resources Management, University of Giessen