Dr Thoni Houtveen has been affiliated with HU University of Applied Sciences Utrecht as professor in Literacy since 1 January 2007. Thoni Houtveen became a senior lecturer and researcher at Utrecht University in 1988. She headed a group of researchers who were studying the effects of innovations in primary and secondary education. This included evaluating four school improvement programmes focused on improving language and reading teaching in (special) primary education and special education. The research group and the research programme that it is now carrying out are a direct extension of this research.