Honourable Madam Justice Katherine Swinton taught and wrote extensively in the areas of Canadian constitutional law, federalism and public policy, and employment discrimination law as a professor at Osgoode Hall Law School at York University and the Faculty of Law at the University of Toronto. She served as law clerk to the Hon. R.G.B. Dickson at the Supreme Court of Canada and as an adviser to federal and provincial governments on issues of constitutional law and federalism. She was appointed to the Ontario Court of Justice (General Division) in 1997.