Ivana Markova is professor of psychology at the University of Stirling in Scotland, UK. She is the author of Paradigms, Thought and Language (1982), Human Awareness (1987), Dialogicality and Social Representations (2003) and she edited and co-edited a number of books and special journal issues on language, dialogue and disability, and on post-Communist Europe. Per Linell is a sociolinguist and professor in the interdisciplinary graduate school of communication studies at Linkoping University, Sweden. He has published widely within the field of discourse studies, particularly on institutional discourse. His most recent books are Approaching Dialogue: Talk, interaction and contexts in dialogical perspectives (1998) and The Written Language Bias in Linguistics: Its nature, origins and transformations (2005). Michele Grossen is professor of social psychology at the University of Lausanne, Switzerland. Her main research areas concern social interactions in learning and teaching, the social psychology of test situations and the construction of intersubjectivity in therapeutic settings. In all these domains her aim is to develop a dialogical understanding of human activity. Anne Salazar Orvig is professor of linguistics at the University of Paris 3. After a fruitful experience in the field of discourse and interaction analysis in clinical interviews (Les Mouvements du discours, Paris, L'Harmattan, 1999) her research is now focused on dialogism in the dynamics of dialogue and in the subjective construction of discourse.