Zoltán Dörnyei is Professor of Psycholinguistics at the School of English, University of Nottingham. He has published extensively on various aspects of language learner characteristics and second language acquisition, and he is the (co-)author of over 100 academic papers and 25 books.

Ema Ushioda is Professor and Head of Applied Linguistics at the University of Warwick. Her main research interests are language learning motivation and learner autonomy, promoting qualitative approaches in particular, and she has published widely in these areas.