- 1988 Degree in physical chemistry and solid state physics at Swiss Federal Institute of Technology (ETH) Zürich, with thesis on 'Photoemission from ultrafine platinum and nickel particles in gas suspension'
- 1992 PhD at ETH Zürich with laboratory work on photoemission from inorganic salt aerosol particles, development of a field sensor for detecting ultrafine aerosol particles in volcanic gases, field work on Mt.Etna, Volcano and Stromboli, Italy, and Kilauea, Hawaii.
- 1993 Postdoc University of Bern
- 1996 Staff Scientist, Aerosol Chemistry group, Paul Scherrer Institut
- Since 1997 Head Surface Chemistry group (renamed Multiphase Chemistry as of 2023)
- 2005 Visiting Scientist at University of California, Irvine
- Since 2008 Lecturer at ETH Zürich
- Since 2014 Adjunct Professor of ETH Zürich
Research activities / Special interests
- Laboratory experiments of gas - aerosol and gas - ice interactions of relevance to the environment
- Aerosol and coated wall flow tube experiments
- X-ray absorption and photoelectron spectroscopy of condensed phase - air interfaces
- Development of mechanisms and concepts to describe multiphase atmospheric chemistry
