David Levey is Associate Professor at the University of Cádiz, Spain, where he lectures in Phonetics, Applied Linguistics and Sociolinguistics. His research interests include accent variation, language contact and change, speech perception, language testing and evaluation. He recently led a three-year international research project funded by the Ministry of Education in Spain which looked at English language testing in Europe. He has published more than 35 books and articles on various aspects of language acquisition and has written extensively on the language situation in Gibraltar. He is the author of Language Change and Variation in Gibraltar (2008).