Lorne Sossin became Dean of Osgoode Hall Law School on July 1, 2010. Prior to this appointment, he was a Professor with the Faculty of Law at the University of Toronto (2002-2010). He is a former Associate Dean of the University of Toronto (2004-2007) and served as the inaugural Director of the Centre for the Legal Profession (2008-2010). Previously (1997-2002), he was a faculty member at Osgoode Hall Law School, and the Department of Political Science, at York University. His teaching interests span administrative and constitutional law, the regulation of professions, civil litigation, public policy and the judicial process. Dean Sossin was a law clerk to former Chief Justice Antonio Lamer of the Supreme Court of Canada, a former Associate in Law at Columbia Law School and a former litigation lawyer with the firm of Borden & Elliot (now Borden Ladner Gervais LLP).

Dean Sossin has published numerous books, journal articles, reviews and essays, including Administrative Law in Context, 2nd ed. (Toronto: Emond Montgomery, 2013) (co-edited with Colleen Flood); Boundaries of Judicial Review: The Law of Justiciability, 2nd ed. (Toronto: Carswell, 2012); The Future of Judicial Independence (Toronto: Irwin, 2010) (co-edited with Adam Dodek); Civil Litigation (Toronto: Irwin 2010) (co-authored with Janet Walker); Parliamentary Democracy in Crisis (Toronto: University of Toronto Press, 2009) (co-edited with Peter Russell); Dilemmas of Solidarity: Rethinking Redistribution in the Canadian Federation (Toronto: University of Toronto Press, 2006) (co-edited with Sujit Choudhry and Jean-Francois Gaudreault-Desbiens); and Access to Care, Access to Justice: The Legal Debate over Private Health Insurance in Canada (Toronto: University of Toronto Press, 2005) (co-edited with Colleen Flood & Kent Roach).

Dean Sossin served as Research Director for the Law Society of Upper Canada’s Task Force on the Independence of the Bar and has written commissioned papers for the Gomery Inquiry, the Ipperwash Inquiry and the Goudge Inquiry. He also serves on the Boards of the National Judicial Institute, the Law Commission of Ontario and is a Vice Chair of the Ontario Health Professions Appeal and Review Board and Member of the Health Services Appeal and Review Board. Dean Sossin served as Interim Integrity Commissioner for the City of Toronto in 2008-2009, and is currently the Open Meeting Investigator for the City of Toronto.