| Description of the ancillary activity including organizations name | remunerated | revenue to UU | |
| 2021-present | Supervisory board reserach company ‘Schothorst Feed Research’, Lelystad, The Netherlands | yes | yes |
| 2021-present | Review committee project applicationsZonMW 'Goed Gebruik Geneesmiddelen-Rediscovery Round 5' | yes | yes |
| 2021-present | Reviewer German Federal Ministry of Education and Research (BMBF) of the call “Interdisciplinary collaboratve research on pathomechanisms” | no | |
| 2021-present | Member Science Technology Engineering Mathematics working group COIMBRA | no | |
| 2020-present | Member board Commissie Regelgeving Gezondheidsonderzoek (COREON) | no | |
| 2020-present | Member working group Federation of European Nutrition Societies | no | |
| 2019-present | Member European ME Reserach Group (EMERG) | no | |
| 2019-present | Member International Life Sciences Institute (ILSI)-Europe expert group “Mechanistic insights into gut-brain-axis” | no | |
| 2018-present | Reviewer German Federal Ministry of Education and Research (BMBF) of the call “Research consortia for systems medicine” | no | |
| 2018-present | Member Foundation Nutrition in Transition | no | |
| 2018-present | Mentor female reserachers UU | no | |
| 2018-present | Member scietific committee MindMoodMicrobes congress | no | |
| 2016-present | Member advisory council nonprofit organization "Voeding Leeft" | no | |
| 2020-2021 | Member organizing committee International Summer School “Microbiota, Immunity, Neurons - MINDinGUT | no | |
| 2019-2021 | Member ZonMW steeringcommittee ME/CVS reserach agenda | yes | yes |
| 2018-2020 | Chair Federatie Medisch Wetenschappelijk Verenigingen (Federa) | no | |
| 2017-2020 | Member steering group Veterinary Medicines, EUFEPS | no | |
| 2017-2020 | Founder & board member Network Female Professors Utrecht University | no | |
| 2016-2020 | Member of Utrecht University Scientific Integrity Committee | no | |
| 2015-2020 | Represenative FIGON in the board of European Federation Pharmaceutical Sciences (EUFEPS) | no | |
| 2015-2020 | Member advisory board Regulatory Science Network Netherlands | no | |
| 2014-2017 | Coordinator representing Faculty of Science in Task force Diversity Utrecht University | no | |
| 2014-2017 | Chair Diversity Commitee of the Faculty of Science Utrecht University, Utrecht University | no | |
| 2012-2017 | Treasurer Executive board of the Federation of European Pharmacological Societies (EPHAR) | no | |
| 2011-2017 | Chair of the Federation for Innovative Drug Research the Netherlands (FIGON) | no | |
| 2008-2011 | Board member of the Federation for Innovative Drug Research the Netherlands (FIGON) | no | |
| 2008-2012 | Member Executive board of the Federation of European Pharmacological Societies (EPHAR) | no | |
| 2007-2011 | Chair Dutch Pharmacological Society (NVF) | no | |
| 2003-2007 | Board member Dutch Pharmacological Society (NVF) | no |