Academische functies
Currently
- Member of the Advisorial Board of the International Series in Mental Health and Religion (Shaker Verlag, Aachen) (since 2014)
- Member of ‘Werkverband van Nederlandse en Vlaamse godsdienstpsychologen’ (since 1988)
- Member of the International Association for the Psychology of Religion (since 1990)
- Member of the American Academy of Religion (since 1996)
- Member of the Psychology, Culture and Religion Group (associated with the AAR) (since 2005)
- Member of the ‘Landelijke Vereniging van Vrouwelijke Hoogleraren’ (since 2005)
Previously
- Chair of the Psychology, Culture and Religion Group of the American Academy of Religion (2008-2014)
- Vice-General Secretary and Vice-Treasurer of the Board of the International Association for the Psychology of Religion, 1998-2006
- President of the Association for Leiden Theology Students (1980-1982)
- Student Member of the Faculty Council (1980-1982) and of the Faculty Board (1981-1982) of the Faculty of Theology, University of Leiden
- Member of the Teaching Committee Theology, Faculty of Theology, University of Leiden (1994-1999)
- President of the Research Institute LISOR (Leiden Institute for the Study of Religions), Faculty of Theology, University of Leiden (1999)
- Secretary of the Teaching Committee Spiritual Care, Faculty of Theology and Religious Studies, University of Groningen (2000-2005)
- Member of the CRS (Centre for Religious Studies), Faculty of Theology and Religious Studies, University of Groningen (2002-2007)
- Member of the Faculty Council of the Faculty of Theology and Religious Studies, University of Groningen (2007-2011)- Member of the Teaching Committee for Spiritual Care, Faculty of Theology and Religious Studies, University of Groningen (2000-2014)
- Member of the Committee for Women Studies, Faculty of Theology and Religious Studies, University of Groningen (2003-2014)
- Member of the Advisory Board of HOVO Groningen/Drenthe (2006-2014)
- Member of various Selection Committees of Ph.D students and lecturers
- Member of the Curatorium of several special chairs (Gender Studies and Theology: University of Groningen, 1990-1994; Psychology of Religion: Leiden University, 1998-2003; Philosophical Theology, University of Utrecht, 1998-2003; Non-Institutional Religion in Contemporary Society, Leiden University (2007- 2012)
- Member of the Editorial Board of Nederlands Theologisch Tijdschrift, 1999-2009
- Member of the steering committee (2006-2008) of the Psychology, Culture and Religion Group of the American Academy of ReligionMember of the editorial board of Religie en Samenleving (2008-2011)