Barbara Seidlhofer is Professor of English and Applied Linguistics at the University of Vienna. Her research and teaching focus on English as an international language, intercultural communication and multilingualism and their implications for language teacher education. She is the founding director of the freely available Vienna-Oxford International Corpus of English (VOICE) and author of Understanding English as a Lingua Franca. Her other books include Controversies in Applied Linguistics, Foreign Language Communication and Learning (with K. Knapp) and From International to Local English – and Back Again (with R. Facchinetti& D. Crystal). She is past editor of the International Journal of Applied Linguistics and founding editor of the Journal of English as a Lingua Franca.