Kris Van den Branden is a Professor of Linguistics at the Faculty of Arts of the Katholieke Universiteit Leuven. At the same university, he is the current director of the Centre for Language and Education. He is also one of the directors of the Flemish government-subsidized Centre for Equity in Education. Kris Van den Branden’s main research interests are with interaction in second language acquisition, the implementation of task-based language teaching, the diffusion of educational innovation and the role of the teacher in language teaching. Kris Van den Branden has published a wide range of articles and books in Dutch and in English.

Machteld Verhelst is a staff member of the Centre for Language and Education. She conducted her Ph.d. research on the acquisition of Dutch as a second language by young infants in Brussels. She is the current supervisor of the research programme of the Centre for Language and Education, and has published a wide range of articles and syllabuses with regard to task-based language education. Her main research interests are with early second language acquisition (by young children) and the acquisition of second language vocabulary.

Koen Van Gorp is a staff member of the Centre for Language and Education. He is currently conducting a Ph.d. research into the classroom variables that have an impact on second language learning and school success. He has published a wide range of articles and syllabuses with regard to task-based language education. He also supervises the development of a new task-based syllabus for the teaching of Dutch at primary school level. His main research interests are with the impact of classroom variables on learning in general, and language learning in particular, on content-based language learning and on peer interaction.