Professor Peter Collins (BA Hons, MA Hons, PhD University of Sydney, DipEd University of New England) has taught Linguistics at all levels at UNSW since 1980, after previous positions at the University of Sydney, Macquarie University and Rusden College. He is a former editor of the 'Australian Journal of Linguistics'. He has published over a hundred books, articles and book chapters and over 30 book reviews. His main research area is the grammar of English. He is one of the authors of the influential 'Cambridge Grammar of the English Language' (2002). Related research interests are corpus linguistics (he was one of the compilers of the first corpus of Australian English) and World Englishes, in which he has published widely. He is co-author of the most widely used introductory Linguistics textbook in Australia, and of several other textbooks.