Mariette studied Law at the Vrije Universiteit Amsterdam and worked as a lawyer in both the Netherlands and Hungary. Her career teaching Dutch began in 1996 and since then she has taught students in the Netherlands, the United Kingdom, Hungary and Switzerland. She worked as a teacher of Dutch at the Inter Community School Zurich and was involved in a work group for MYP development. In addition she gained extensive personal knowledge and experience of IB thanks to her own four children who took IBMYP and IBDP.
Mariette is a teacher.