B.A. Honours (Carleton) 1982, M.A. (Western) 1984, LL.B. (Toronto) 1991, was called to the Bar of Ontario in 1993. Since then he has maintained a trial and appellate practice in the areas of criminal, constitutional and national security law. He is the author of the "Sentencing" chapter in Hamish Stewart, Sexual Offences in Canadian Law (Looseleaf: Canada Law Book); "Conditional Sentences After Fice", 28 C.R. (6th) 225 (2005); "R. v. McIntosh: 'Soft Sciences' in the Court of Appeal for Ontario" (1998), 4 Sexual Offences Law Reporter 6; "Developments in Criminal Procedure and Sentencing: The 1995-96 Term" (1997), 8 Sup. Ct. L.R. (2d) 233 (with Suzanne Jarvie); "Sentencing for Second-Degree Murder: R. v. Shropshire" (1996), 1 Can. Crim. L.R. 199; and "Myths, Hidden Facts and Common Sense: Expert Opinion Evidence and the Assessment of Credibility" (1995), 38 C.L.Q. 73 (with Marlys Edwardh).

Since 1996 he has been an adjunct member of the Faculty of Law, University of Toronto, where he has taught Advanced Criminal Law, Evidence Law and Advanced Criminal Evidence. He also teaches in the Osgoode Hall Law School Part-time LL.M. in Criminal Law program. He is a member of the Board of Directors of Canadian Journalists for Free Expression, an Assistant Editor of the Canadian Rights Reporter and a regular contributor to continuing legal education programs. In February 2008 he was appointed by the Minister of Justice to the roster of Special Advocates under the Immigration and Refugee Protection Act.