- Actuele posities
- Professor of theology and spirituality of Reformed Protestantism at VU University, since 2015.
- Dean HHS (7 staff members), since 2007.
- Director Jonathan Edwards Centre Benelux, since 2011
- Research Fellow, University of the Free State, Bloemfontein, South-Africa, since 2013
- Editorial board Jonathan Edwards Studies (peer-reviewed), since 2010.
- Editorial board Theologia Reformata (peer-reviewed), since 2013
- Editorial board Labarum Academic since 2013.
- Advisory board Re-envisioning Reformed Dogmatics at Cascade Books, since 2019.
- Chairman of the trustees of the chair ‘geschiedenis gereformeerd piëtisme’, since 2005.
- Chairman Bonisa-foundation, since 2000, member since 1997.
- Chairman board of seminaries VU, since 2017.
- Chairman supervisory board Pieter Zandt scholengemeenschap, member since 2011.
- Supervisory Board of ‘William Carey Foundation’ (Calvin Institute of Theology), since 2009.
- Member COBEX (Board of appeal of examinations), VU, since 2018.
- Member committee for interchurch contacts HHK, since 2009.
- Raad van Advies, IRS.