Apart from his work for the SCP he has other appointments in several institutions in Dutch society such as the Netherlands Institute for Art History (RKD), and the Scientific Council for Government Policy. He is a columnist to the Dutch newspapers NRC-Handelsblad and Het Financieele Dagblad. As of 2008, he is also the chairperson of the committee that selected the 1,000 texts deemed as "key" of the Dutch and Flemish cultural history for the Digital library for Dutch literature.
Since 2006 De Volkskrant lists him in their top ten of the most influential persons in the Netherlands.
^Somers, Maartje Van abel spel tot Achterhuis: De basisbibliotheek – het Nederlands erfgoed in duizend sleutelteksten in NRC Handelsblad 4 April 2008 section 'Boeken', page 10
^Wouter de Nooy, Erasmus Universiteit Rotterdam., Erik Bloem, Eveline Domevscek, Martin Kettelarij (06/10/2007). "VOLKSKRANT TOP 200 2007". de Volkskrant. Retrieved 21 August 2012.Check date values in: |date= (help)
Delft, Dirk van Snelle generalist in the NRC Handelsblad 29 July 2006 (Dutch language)