Michael Handford is Professor of Applied Linguistics and English Language in the Centre for Language and Communication Research. The Centre is in the School of English, Communication and Philosophy, Cardiff University, UK.

James Paul Gee is Regents' Professor Emeritus at Arizona State University, USA. He has worked in syntactic theory, discourse analysis, literacy studies and digital media and learning. He is the author of Sociolinguistics and Literacies (1990), The Social Mind (1992), An Introduction to Discourse Analysis (1999), What Video Games Have to Teach Us about Learning and Literacy (2003), Situated Language and Learning (2004) and What Is a Human? (2020) among other books.