Prior to returning to the University of Toronto, he served as law clerk to Chief Justice Antonio Lamer of the Supreme Court of Canada. He also holds law degrees from Oxford and Harvard universities. A Rhodes Scholar, Choudhry was awarded the prestigious William E. Taylor Fellowship from the Social Sciences and Humanities Research Council of Canada, Harvard’s Frank Knox Memorial Fellowship, and a graduate fellowship at the Harvard University Center for Ethics and the Professions. Choudhry works in the areas of constitutional law and theory, and health law and policy. He is also a consultant to the Romanow Commission on the Future of Health Care.