Elected president 2017 – 2021 European Association of Technology-Enhanced Learning (EA-TEL)
Board Member of International Alliance to Advance Learning in the Digital Era.
Associate Editor IEEE Transactions on Learning Technologies
Member of the Center for Open Education Research at the University of Oldenburg
Staff member of the Interuniversity Center for Educational Sciences (ICO)
Research fellow of the Dutch Research School for Information and Knowledge Systems (SIKS)
Chair of the Special Interest Group on Technology-Enhanced Assessment of the European Association of Technology-Enhanced Learning (EA-TEL)
Associated member of the German Society for Educational Research (DGFE)