since 2004 Research scientist at the Institute of Oceanography, Universität Hamburg

2002-2004 Project scientist at Scripps Institute of Oceanography, La Jolla, Kalifornien, USA

2000-2002 Post-Doc at Scripps Institute of Oceanography, La Jolla, Kalifornien, USA

2000 Post-Doc at Institut für Meereskunde, Kiel

1999 PhD at the University of Kiel

1995 Diploma degree in Physics at the University of Düsseldorf

• state estimation
• data assimilation methods
• large scale oceanic circulation and its low frequency variability
• sea level variability
• meridional overturning
• mesoscale variability
• climate prediction

• Determination of mixing processes in the oceanic boundary layer by assimilation of high-resolution hydrographic data in a circulation model with a mixed layer parameterization (BMBF RACE)
• Analysis and prediction of regional sea-level changes with linear inverse models (BMBF RACE)
• Modul A: Initial conditions/Initialisation, MiKlip Medium range climate predictions
• Thermohaline Circulation at Risk (THOR), EU FP 7.
• NACLIM EU FP 7
• Determination of key processes of the North Atlantic circulation through data synthesis. In The North Atlantic as part of the Climate system: Pilot-Application of an observing and diagnostic system for the regional Zirkulation in  the North Atlantic and the North Sea, Nordatlantik, BMBF, Germany.