| 2004 - 2007 | Coordinator of the EC-project NMP3-CT-2004-505575 "Functionalized Metal Fluorides" (FUNFLUOS) |
| 2001 - 2004 | Director of the Chemistry Department |
| 2001 | Member of the advisory board of the "Journal Fluorine Cemistry" |
| 2000 - 2001 | Vice-Director of the Chemistry Department |
| 2000 | Visiting Professor at the Institut de Chimie de la Materiére Condensée de Bordeaux with Prof. Alain Tressaud |
| 1998 - 2001 | Member of the advisory board of the Journal "Green Chemistry" |
| 1997 - 2000 | Coordinator of the EC-project EC ENV4-CT97-0601 "Conversion of chlorofluorocarbons into environmentally friendly compounds by catalytic isomerization, dismutation, and hydrodechlorination" |
| 1993 | Professorship for Inorganic Chemistry at Humboldt-University of Berlin |
| 1989 - 1990 | Guest scientist at the Max-Planck-Institute for Solid State Chemistry (Prof. Arndt Simon) |
| 1988 | Guest scientist at the Lomonossow University Moscow, N.I. Tretyakov |
| 1988 | Assistent Professor for Inorganic Chemistry at Humboldt-University of Berlin |
| 1986 | Habilitation, Inorganic Chemistry at Humboldt-University of Berlin |
| 1983 | Guest scientist at the Technical University of Denmark, Lyngby (Prof. Niels J. Bjerrum) facultas docendi |
| 1978 | Lecturer at the School for Chemical Engineering Berlin
scientific master assistant at the Humboldt-University of Berlin |
| 1977 | Promotion: "On the kinetics of heterogeneous reactions between gaseous HF and solid calcium compounds" with Prof. Dr. D. Hass, Humboldt-University of Berlin |
| 1973 | Research Assistant at the Humboldt-University of Berlin |
| 1972 | Diplom "Chemie" an der Humboldt-Universität zu Berlin | Diplom thesis "On the synthesis of iodar senic acid esters" (supervisor: Prof. Dr. D. Hass) |
