• Cross-scale water resources modelling
• Simulation of the environmental behaviour of new substances
• Scenario development and analysis
• Integrated analysis of current and future trends in water resources under conditions of global change
• Analysis of impact chains between anthropogenic pressures and changes in water quantity and quality, and assessment of the resulting impacts on the environment, the economy and society
• Analysis and assessment of conflicting objectives and synergies in achieving the UN Sustainable Development Goals
• Development of adaptation and mitigation strategies in the context of global change

• 1985-1992 Studied civil engineering at the University of Kassel (Diploma I, Diploma II)
• 1992-1996 Consulting engineer, HPC HARRESS PICKEL CONSULT GMBH, Fuldatal
• 1996-1999 Research assistant, Department of Geohydraulics and Engineering Hydrology, Faculty of Civil Engineering, University of Kassel
• 1999-2002 PhD student, Department of Hydraulic Engineering and Water Resources Management, Faculty of Civil Engineering, University of Kassel
• 2000 DAAD PhD scholarship, School for Environmental Science, Engineering and Policy, Drexel University, Philadelphia, USA
• 2002 PhD (Dr.-Ing.) in the Department of Hydraulic Engineering and Water Resources Management, Faculty of Civil Engineering, University of Kassel
•  2002-2011 Postdoctoral researcher at the Centre for Environmental Systems Research, University of Kassel
•  2011-2018 Head of the Global and Regional Dynamics – Water research group, Centre for Environmental Systems Research, University of Kassel
• Since 2019 University Professor of Engineering Hydrology and Water Resources Management, Faculty of Civil and Environmental Engineering, Ruhr University Bochum

List of publications hier.