| Since March 2001: | KNCV Workgroup Bioinformatics |
| Since November 2002: | GeNeYouS |
| Since December 2003: | American Association for the Advancement of Science |
| Since January 2004: | Young European Biotechnology Network |
| Since August 2004: | Mensa |
| New York Academy of Sciences | |
| Faculty of 1000 Biology | |
| Since March 2009: | Science Advisory Board |
| Since January 2016: | European Association of Urology (EAU) |