Member of the Editorial Board of Educational Studies in Mathematics (ESM) Educational Studies in Mathematics is a peer-reviewed journal that focuses on pedagogical, methodological, and didactical aspects of teaching and learning mathematics. One of the leading journals in the field, published by Springer.
Local organizer of the YESS Summer School 2026 in Utrecht YESS 2026 is the biannual summer school for young researchers (PhD students) of ERME, the European Researchers in Mathematics Education. It will be held on 2–7 August 2026 at Utrecht University.
Local organizer and initiator of FAME 1 in 2023 FAME – Feedback & Assessment in Mathematics Education is a new ERME topic conference on assessment in Mathematics Education. It was first held in June 2023 at Utrecht University.
Societal Service
Chair of the curriculum committee for mathematics in primary education in Flanders February 2025 – May 2025
Member of the development committees for final attainment levels in mathematics (STEM) for the reformed secondary education in Flanders September 2017 – May 2023
Volunteer Work
Board member of the Dutch Association of Mathematics Teachers (NvvW)
Editor & webmaster of Uitwiskeling, Flemish journal for mathematics teachers
Board member of the Flemish Association for Mathematics Teachers (VVWL)
Board member of the Mathematics Platform Flanders
Unpaid collaborator at the University of Antwerp
Belgian jury member for the European Statistics Olympiad (Statbel)
Jury member for Mathematics – Examination Board for Secondary Education of the Flemish Government (middenjury, 2015–2018)