Management Team Click on a photo for information on the expertise of the members of our management team. Martijn Warnier Head of department Mark de Bruijne Head of section Organisation & Governance Els van Daalen Head of section Policy Analysis Frances Brazier Head of section Systems Engineering Haiko van der Voort Assistant Professor Joyce van Velzen Department manager Monique van der Toorn-Fennema Department Secretary Share this page: Facebook Linkedin Twitter Email WhatsApp Share this page