2000 - 2015 Head of the department "Coastal Oceanographic Measuring Systems"
1995 - 1999 Project manager of the GKSS Wadden Sea research research activities comprise erosion properties of tidal flat surfaces and bench-mark data sets for coupled sediment transport models in coastal areas
1994 - 1996 Chairman of the "Trilateral Data Handling Group - TDG"
1992 Member of the "Trilateral Monitoring Expert Group" Development for the concept for the "Trilateral Monitoring and Assessment Program" TMAP
1987 - 1994 Development of the "Wadden Sea information System" WATiS for Wadden Sea research and management
1983 - 1987 Study of the suspended sediment dynamics in tidal estuaries
since 1983 Researcher at the Helmholtz-Zentrum Geesthacht (formerly GKSS Research Centre Geesthacht)
1977 - 1982 Diploma thesis and PhD thesis High Energy Physics Lab DESY in Hamburg
- Stability properties of tidal flat surfaces
- Suspended sediment dynamics in coastal waters
- Development of monitoring systems