He began his academic career in philosophy, in which he received both MA and PhD degrees from the University of Toronto. His current research focuses on the impact of international trade and investment law on developing countries. He has begun a new project on theories of global justice, which aims at articulating a concept of global justice that takes into account the diverse perspectives of developing countries, as well as a project on the impact of the anti-terrorism policy of Canada, the United States and the United Kingdom on developing countries. He is also interested in the impact of cultural, socio-economic, racial and gender difference in Canadian criminal law. In the area of legal theory, he has written about the nature of common law reasoning and on theories of judgment.