Docent, Stockholm University, University of Stockholm, Sweden
Fil.lic., Meteorology Department, University of Stockholm, Sweden
BSc, University of Uppsala, Sweden
2009 - present: Visiting professor Uppsala University. Uppsala, Sweden
2008 - present: Director ISSI, Earth Science, Bern, Switzerland
2001 -present: Professor, Senior Scientist, Environmental Systems Science Centre, University of Reading
, UK 2000 - present: Director emeritus, MPI for Meteorology, Hamburg, Germany
1990-2000: Director, MPI for Meteorology, Hamburg, Germany
1982-1990: Director, ECMWF, Reading, UK
1975-1981: Head of Research, ECMWF, Reading, UK
1961-1974: Different position at SMHI, Sweden
Active participation in international work since mid 1960s
(Detailed information can be provided)
Chair of the SAC for the Nansen Centre NERSC, Bergen, Norway
Chair of the SAC of the Italian Climate Program |