Sarah Mercer is professor of foreign language teaching at the University of Graz, Austria, where she is head of ELT methodology. Her research interests include all aspects of the psychology surrounding the foreign language learning experience, focusing in particular on self-concept, language teacher wellbeing, and positive psychology. She is the author, co-author and co-editor of several books in this area. She is currently the vice-president of the International Association for the Psychology of Language Learning (IAPLL), and serves as a consultant on several international education projects. In 2018, she was awarded the Robert C Gardner Award for excellence in second language research by the International Association of Language and Social Psychology (IALSP). She holds a B.A. in European studies (French, German and politics) from Royal Holloway, UK, an M.A. in TEFL from Reading University, UK, and a Ph.D. in applied linguistics from Lancaster University, UK. She is currently studying for an M.Sc. in psychology at Roehampton University, UK.