Les Green is the Professor of the Philosophy of Law in the Faculty of Law at the University of Oxford, where he is also a fellow of Balliol College. He is also Professor and Distinguished University Fellow in Legal Philosophy at Queen's University at Kingston. After beginning his teaching career as Darby Fellow at Lincoln College, Oxford, Professor Green moved to Osgoode Hall Law School in Toronto. He has also taught and visited in law faculties at UC Berkeley, Columbia, Texas, Chicago and NYU, where he is a member of the Hauser Global Faculty.