| 2016 - nu | Assistant professor of mathematics education |
| 2009 - 2016 | Teacher of Mathematics and Science at Christelijk Gymnasium Utrecht. Also IT-coordinator, mentor, talent development |
| 2013 - 2016 | Teacher and developer for mathematics education at the U-talentprogram of Utrecht University |
| 2010 - 2014 | Co-author/developer for de Wageningse Methode, a Dutch secondary school mathematics book series |
| 2010 - 2013 | Teacher at the Master and Bachelor Mathematics Teachers Education at the Hogeschool Utrecht |
| 2010 | Master diploma Mathematics Education from Utrecht University |
| 2007 - 2008 | Post-doctoral researcher at the Center for Mathematical Analysis, Geometry, and Dynamical Systems, Instituto Superior Técnico in Lisbon (Portugal) |
| 2002 - 2007 |
PhD-student mathematical physics at the University of Amsterdam (from 2004 onwards at the Radboud University PhD-thesis: Groupoids in geometric quantization |
| 1996 - 2001 |
Study Mathematics at Utrecht University, minors in philosophy and physics Thesis: Operads in deformation quantization |
| 1999 - 2001 | Studentassistent wiskunde Universiteit Utrecht |