A former teacher in elementary school, Pierre Dillenbourg graduated in educational science (University of Mons, Belgium). He started his research on learning technologies in 1984. He obtained a PhD in computer science from the University of Lancaster (UK), in the domain of artificial intelligence applications for educational software. He has been professor assistant at TECFA, University of Geneva. He joined EPFL in November 2002. He has been the director of CRAFT, the pedagogical unit for 10 years and is now the academic director of the EPFL Center for Digital Education and head of the CHILI Lab: "Computer-Human Interaction for Learning & Instruction". He wrote a book on "orchestration graphs"