Joosje de Lang and Caspar Vlaar join Netspar Supervisory Board
5 November 2026
The Netspar Foundation Board has appointed Joosje de Lang and Caspar Vlaar as members of the Supervisory Board of the Netspar Foundation. Their appointments fill two vacancies created by the departures of Piet Rietman and Inge van den Doel, respectively.
Joosje de Lang (board member of FNV/Federation of Dutch Trade Unions) succeeds Piet Rietman, who had served on the Supervisory Board on behalf of the Stichting van de Arbeid (Labour Foundation) since 2023. Caspar Vlaar (PMT) takes the place of Inge van den Doel, who had served on the Supervisory Board since 2021.