Diploma, Westfalen Wilhelms University, 1990. Doctor of Philosophy, Gutenberg University, 1994.
Researcher Max Planck Institute Airchemistry, Mainz, Germany, 1994-1995, National Research Council, United States Environmental Protection Agency, Athens, 1995-1997, University Duisburg, Germany, 1997—2001. With Institute of Energy and Environmental Technology, Duisburg, since 2001. Board directors German Aerosol Foundation.
Regional representative Greenpeace, Mainz, 1990-1994. Member American Geophysical Union, American Chemical Society, German Aerosol Foundation (board directors).
Married Anke Uelzmann, May 14, 1996.