Martin Dewey is senior lecturer at King’s College London, where he teaches modules in Sociolinguistics, Global Englishes and Teacher Education, and supervises PhDs in areas related to the globalization of English and English language teaching. His primary research focus concerns the relevance of ELF in language pedagogy. He is currently conducting research that reexamines contemporary conceptions of knowledge and expertise in teacher education to explore the impact on pedagogic practices of adopting an ELF perspective. He has presented and published extensively on work in this field, and is co-author with AlessiaCogo of Analyzing English as a Lingua Franca: A corpus-driven investigation (Continuum, 2012), and author of The Pedagogy of English as a Lingua Franca (De Gruyter Mouton, forthcoming).