He has studied at both the University of New Brunswick (BA Hons) and McMaster University (MA, PhD), and was also a Visiting Student in Analytic Legal Philosophy and a Commonwealth Scholar at the University of Oxford. His main areas of teaching and research are legal philosophy and associated areas in moral and political philosophy, philosophy of punishment and responsibility, international law and the identity of legal systems, and multiculturalism. His book (with Keith Culver), Legality's Borders (Oxford University Press), is forthcoming. Ian Greene E-mail: igreene@yorku.ca