| 1992 | Diploma in Geoecology at the University of Karlsruhe - Germany. Diploma thesis on gas exchange of oxygen in the river Glatt, Switzerland, at the Swiss Federal Institute of Aquatic Science and Technology (Eawag) in Dübendorf, Switzerland. |
| 1997 | Doctor of Engineering in Civil Engineering at the University of Stuttgart, Germany. Title of dissertation: "Numerical methods for the simulation of multi-component reactive transport in groundwater." |
| 1998-2000 | Postdoctoral researcher in the Subsurface Modeling and Characterization Group of Prof. Peter K. Kitanidis in the Department of Civil & Environmental Engineering at Stanford University. |
| 1999-2009 | Adjunct faculty member at Stanford University 1999-2000: lecturer 2000-2006: consulting assistant professor 2006-2009: consulting associate professor |
| 2000-2004 | Head of an Emmy-Noether junior research group at Universität Stuttgart, Institut für Wasserbau. |
| 2002 | Habilitation at the University of Stuttgart, Germany, and appointment as lecturer ("Privatdozent") for "Geohydraulics and Geohydrology". Title of the habilitation thesis: "Dilution and mixing of solutes in soils and aquifers" |
| 2004-2008 | Head of the workgroup Subsurface Hydrology at Eawag. |
| 2004 | Transfer of habiltation to the Department of Environmental Sciences at the Swiss Federal Institute of Technology Zürich |
| 2005 | Declined offer to become Associate Professor of Hydrogeomodeling at Universtät Kiel, Germany |
| since 2007 | Associate Editor of Water Resources Research |
| since 2008 | Full Professor of Hydrogeology at Universtät Tübingen, Germany |
| 2012-2021 | Spoksperson of the (International) Research Training Group 1829 “Integrated Hydrosystem Modeling” |
| since 2015 | Fellow of the American Geophysical Union |
