Dr Stéphane Safin is an Associate Professor in Cognitive Ergonomics, at Télécom ParisTech, the French National Graduate School in Telecommunications Engineering. After having gained his PhD in psychology at the University of Liège (Belgium) in 2011, he was a post-doc researcher at the University of Montréal then an Assistant professor at University Paris 8. His research is on the role of technology mediation in group design and creativity, with particular emphasis on Activity Theory and theory of flow.