Li Wei is Director and Dean of the UCL Institute of Education at University College London, UK, where he is also Chair of Applied Linguistics. He is Editor of International Journal of Bilingual Education and Bilingualism and Applied Linguistics Review. He is Fellow of the British Academy, Academia Europaea, Academy of Social Sciences (UK), and Royal Society of Arts (UK).)

Zhu Hua is Professor of Language Learning and Intercultural Communication and Director of the International Centre for Intercultural Studies at University College London, UK. She is an elected Fellow of Academy of Social Sciences (UK), and elected Fellow and board member of the International Academy for Intercultural Research. She is Chair of British Association for Applied Linguistics (BAAL), 2021-2024.

James Simpson is Professor in the Division of Humanities at the Hong Kong University of Science and Technology. He is the Director of the MA programme in International Language Education. He was formerly in the School of Education, University of Leeds, UK.