2026 march – present Professor of Higher Education Research in Biology

2023 – present Board Member Education of the Department of Biology

2022 - present Director of the Educational institute of Biology 

2017 – 2026, Associate Professor, Microbiology, Department of Biology, Faculty of Science, Utrecht University. 

2017 - 2020 Director of Education of the bachelor Biology 

2014 - 2016 Chairman of the Board of Examiners Undergraduate School of the Faculty of Science

2011 - 2013 Member of the Board of Examiners of the Undergraduate School of the Faculty of Science

2009 - 2016 Chairman of Board of examiners of biology (chamber)

Sept. 2001 – October 2017, Assistant professor, Microbiology, Department of Biology, Faculty of Science, Utrecht University.