Li Wei is Director and Dean of the UCL Institute of Education at University College London (UCL), where he also holds the Chair of Applied Linguistics. His research covers many different aspects of bilingualism and multilingualism. He is editor of the International Journal of Bilingual Education and Bilingualism and the Applied Linguistics Review. He has won the British Association of Applied Linguistics Book Prize twice, for the Blackwell Guide to Research Methods in Bilingualism and Multilingualism (with Melissa Moyer) and Translanguaging: Language, Bilingualism and Education (with Ofelia Garcia). He is a fellow of the British Academy, Academy of Social Sciences, UK, and Academia Europaea.