Jean-Marc Dewaele is Professor of Applied Linguistics and Multilingualism at Birkbeck, University of London. He has published widely on individual differences in Second Language Acquisition and Multilingualism. He is president of the European Second Language Association (2007-2011), Convenor of the AILA Research Network Multilingualism: Acquisition and Use (2005-2011) and Executive Committee member of the International Association of Multilingualism (2005-2011).