Ancillary activities
- Member | National Academy of Public Administration, USA | Not remunerated
- Member | Redactieraad | Beleid & Maatschappij | Not remunerated
- Member | Editorial board | Public Policy & Administration | Not remunerated
- Member | KNAW | Not remunerated
- Member | KHMW | Not remunerated
- Member | Redactieraad | Regelmaat | Not remunerated
- Chair | Jury Thorbeckefonds | KNAW | Not remunerated
- Member | Maatschappelijke adviesraad | Montesquieu Instituut | Not remunerated