Member, Nomination Assembly (Elector),  Swedish Research Council (Vetenskapsrådet), 2000

Member, Nomination Assembly (Elector), Swedish Natural Science Foundation, 1998

Vice-chair, Department of Mathematics, KTH, 1998 - 2000

Evaluation Committee for the Mathematical Sciences,  NFR (Natural Science Foundation), 1995 - 1998

Committee for IIASA, Systems Analysis and Risk Analysis,  FRN (Swedish Council for Planning  and Coordination of Research), 1993  - 1998

Vice Chairman, Appointment Committee for School of Engineering Physics (Tjänsteförslagsnämnden), KTH, 1990 - 1993 and  1996 - 1999

Member Central Faculty Board (Centrala fakultetsnämnden), KTH

Member of Board of Research and Graduate Studies for the School of Engineering Physics (sektionsnämnden för teknisk fysik),  1995  - 1989