- Member of the editorial board of Public Personnel Management
- Member of the editorial board of Korean Policy Science Review
- Member of the editorial board of Vlaams Tijdschrift voor Overheidsmanagement (VTOM)
- Member of the executive board of IRSPM
- Treasurer of IRSPM
- Visiting professor KULeuven
- Member of the board of the school district 'Basisonderwijs Meeuwen-Gruitrode' (primary education)