| Since February 1999: | Webmaster of several biology- and football-related websites |
| November 2002 - May 2006: | Co-founder of the Genomics Network for Young Scientists (GeNeYouS), webmaster of the website http://www.geneyous.nl |
| December 2002 - April 2005: | Co-head and Board member of the GeNeYouS Internet/PR committee |
| Since December 2002: | Correspondent for the Expertise Center Biology (ECB) of the Dutch Institute for Biology (NIBI) / Kennislink |
| Since January 2004: | Member of the Editorial Staff Biology of the Digital School |
| Since March 2004: | Science Next Wave Campus Representative Nijmegen |
| April 2004 - April 2006: | Member of the NCMLS PhD Committee, co-organiser of the NCMLS PhD Two-Day Conference of April 2005 and April 2006 |
| April 2005 - May 2006: | Secretary and Daily Board member of GeNeYouS |
| May 2005: | Crew Member of Bio Career Event 2005 |
| Since December 2007: | Managing Director of Indigonet Services B.V. |
| January 2015 - December 2018: | Visiting Scientist at Erasmus M.C. |
| January 2020 - March 2022: | Guest Editor for the International Journal of Environmental Research and Public Health |
| January 2021 - April 2022: | Guest Editor for Frontiers in Artificial Intelligence / Frontiers in Big Data |