Henk-Willem is managing director of the NSGK (Dutch foundation for disabled children) in Amsterdam. Henk-Willem studied Fiscal Economics at Maastricht University from 1994 - 1998. After his study he worked for eight years as a tax consultant in The Netherlands. From 2006 - 2015, he was successively lecturer, operations manager and school leader. In 2016 he was Deputy Director at Junis, an organization for childcare.
Henk-Willem has worked as a volunteer for various social organizations. At the moment, he is member of the Board of Stichting Present in The Hague (www.stichtingpresent.nl/denhaag).
His son Joas (2006) is diagnosed with Marshall-Smith Syndrome.