Aya Matsuda is Assistant Professor of English at Arizona State University. Her primary research focus has been the global spread of English, its use as an international language, and its implications for pedagogy, and her work on these topics has appeared in several leading journals as well as a number of edited collections. She currently services on the editorial boards of TESOL Quarterly and World Englishes, and co-edited the 'World Englishes' and 'Language Ideology' sections of The Encyclopedia for Applied Linguistics.