David Nunan is Professor Emeritus of Applied Linguistics at the University of Hong Kong; and President Emeritus, Distinguished Research Professor, and Director of the David Nunan Institute, Anaheim University. He is also a former president of TESOL International. He is well-known internationally through his many academic and English Language Teaching textbook publications.

Julie Choi is Senior Lecturer of Education at Melbourne Graduate School of Education, Australia. She is the author of Creating a Multilingual Self: Autoethnography as Method, and co-editor of Plurilingualism in Teaching and Learning and Language and Culture: Reflective Narratives and the Emergence of Identity.