Steve Walsh is Professor of Applied Linguistics in the School of Education, Communication and Language Sciences, Newcastle University, UK and visiting professor at Hong Kong University. He has been involved in English language teaching and teacher education for more than 30 years in a range of overseas contexts. His research interests include classroom discourse, teacher development and second language teacher education.Steve Mann (Associate Professor) currently works at the Centre for Applied Linguistics at the University of Warwick, UK. He has experience in Hong Kong, Japan and Europe in both English language teaching and teacher development. Steve supervises a research group of PhD students who are investigating teachers’ education and development. His research interests include action research, reflective practice, classroom discourse, and the role of video in language teacher education.