Study of Physics and Mathematics at RWTH Aachen, Germany, 1989-91; University of York, England, 1991-92; University of Heidelberg, Germany, 1992-93;
M.S., Physics, University of Colorado at Boulder, USA, 1994;
Ph.D. University of Heidelberg, Germany, and Max Planck Institute for Chemistry, Mainz, Germany (advisors: Ulrich Platt and Carl A. M. Brenninkmeijer), 1998;
Habilitation University of Heidelberg, Germany, 2002.
PostDoctoral Researcher at Max Planck Institute for Chemistry, Mainz, Germany, 1998-2000;
Leader of independent junior research group, Max Planck Institute for Nuclear Physics, Atmospheric Physics Division, Heidelberg, Germany, 2000-2005;
Full professor for Atmospheric Physics and Chemistry at Utrecht University, The Netherlands, since 2005.
Awards and personal grants.
2013: Distinguished lecturer of the European Association of Geosciences;
2006: personal VICI research grant awarded by the Dutch NWO;
2000: Junior Research Group grant awarded by the German DFG;
2000: Isotope Award of the „German Association for Stable Isotope Research“ (GASIR);
1993: Fulbright-fellowship to study at the University of Colorado at Boulder, Colorado, USA;
1991: Erasmus-fellowship to study at the University of York, England.