Les Green is the Professor of the Philosophy of Law at the University of Oxford. He also holds a part-time appointment as Professor of Law and Distinguished University Fellow at Queen's University in Canada. After beginning his teaching career at Lincoln College, Oxford, he moved to Osgoode Hall Law School in Toronto. He has been a visiting professor at many other law faculties, including Berkeley, NYU, Chicago and, for some years, at the University of Texas at Austin. Professor Green publishes widely in jurisprudence, constitutional theory, and moral and political philosophy.