The secretariat of the Dutch National Research Agenda is housed at NWO:

Contact information
PO Box 93107
2509 AC The Hague
The Netherlands
Email: info@wetenschapsagenda.nl
Telephone: + 31 (0)70 349 44 53

Visiting address:
Laan van Nieuw Oost Indië 300
2593 CE Den Haag
The Netherlands