National
Member of the Working Group for Education (Swedish National Committee for Astronomy), 1989 - 1993
Board Member (secretary, vice-chairman) of the Swedish Astronomical Society, 1984 - date
Member of a working group that developed Sweden's first "Astronomigymnasium" (Astronomy high school), 1985 - 1990
International
Swedish representative in ESO Users Committee, 1986 - 1988