Ancillary activities
- Principal consultant | Significant Synergy | Remunerated (Personal)
- Chair | University of Twente Initiative for Purchasing Studies (UTIPS) | Not remunerated
- Chair | Utrecht University Centre for Public Procurement (UUCePP) | Not remunerated
- Chair | Curriculumcommissie RIO | Rijksacademie | Not remunerated
- Member | Team van Deskundigen | Nevi | Not remunerated