SARAH MERCER Lecturer at the University of Graz, Austria. Her research interests include all aspects of language learner psychology, in particular, affect, beliefs, mindsets and the self. Recently she has become especially interested in complexity perspectives on these areas. She is also the author of the book Towards an Understanding of Language Learner Self-concept.
STEPHEN RYAN Associate Professor in the School of Economics at Senshu University, Tokyo, Japan. He is interested in all aspects of language learning psychology, but especially issues of learner motivation and identity connected to the role of English as a language of globalization.
MARION WILLIAMS was formerly Reader in Applied Linguistics at the University of Exeter, UK, where she co-ordinated the post-graduate programmes in TESOL. She is interested in all aspects of psychology in language learning. Her research interests include motivation, attributions and teacher education. She is the joint author of Psychology for Language Teachers: A Social Constructivist Approach.