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
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