since Oct. 2003
Professor of Analytical Chemistry at the University of Mainz
Apr. 2002 - Sept. 2003
Stand-in Professor (Vertretungsprofessur) of Analytical Chemistry at the University of Leipzig
Feb. 2002 - Oct. 2003
Councillor of the ISAS and coordinator of the research area 'Analytical methods in the life sciences'
"Habilitation" in Analytical Chemistry at the Department of Chemistry, University of Dortmund"Analytical investigations on the formation of secondary organic aerosol particles in the troposphere"
Jan. 1999 - Dec. 2000
DFG "habilitation" grant
since Nov. 1995
Senior scientist at the ISAS (unit organic analysis)
Oct. 1994 - Oct. 1995
Postdoc position at the California Institute of Technology (Caltech, Pasadena, USA) in the group of John H. Seinfeld
Dec. 1992 - Sep. 1994
Scientific employee at the ISAS (Institute of Spectrochemistry and Applied Spectroscopy)
Dr. rer. nat.
Thesis at the `Institute of Spectrochemistry and Applied Spectroscopy` (ISAS) "Development of a method for the measurement of airborne biogenic hydrocarbons and its application for the investigation of emission and degradation of terpenes in forest stands"
Diploma examination in chemistry (University of Dortmund)