National
Member of the Onsala Observing Programme Committee, 1986 - 1990
Chairman of the Working Group for the Exhibition "Ögon mot rymden", 1987 - 1989
Member of Fakultetsnämnden, Sektionsnämnden, Docentberedningen and Forskarassistentberedningen, Stockholm University, 1987 - 1989
Member of the board for Forskningsnämnden for the Combined Journalisthögskolan and Centrum for Massmediaforskning, 1989 - 1992
Member of the board for Stiftelsen Observatoriekullen, 1989 - date
Member of the board for Onsala National Facility, 1994 - date
International
Member of the ESA/ESO Space Telescope European Coordinating Facility Users Committee, 1986 - 1990
Member of the Astronomy Working Group at ESA, 1989 - 1992
Member of the Nordic Optical Telescope Observing Programme Committee, 1991 - 1993