Court of Appeal of Quebec

The Honourable Marie St-Pierre

Born in Montreal, she is a graduate of Villa-Maria, of Collège Jean-de-Brébeuf (D.E.C. 1975) and The Université de Montréal (LL.L. 1978)

Admitted to the Bar of Quebec in 1979, she spent 23 years with the Montreal law firms of Blain, Piché Emery (1979-1989) and Desjardins Ducharme (1989-2002), specializing in civil, administrative and commercial litigation and in access to information and protection of privacy.

During her career, and for 20 years, she taught various subjects such as evidence, procedure, legal writing and advocacy at the Quebec Bar school. She was also a member of the faculty of the Trial advocacy annual intensive seminar of the Quebec Bar.

She was appointed to the Quebec Superior Court on May 31, 2002. Since 2002, she has handled numerous trials in the Civil and Administrative Division of the Montreal Superior Court. From January 2008 to October 2010, she acted as the presiding judge in the second trial of Widdrington v. Wightman, the judicial saga commonly known as "l'Affaire Castor". From September 2011 until her appointment to the Court of Appeal in April 2012, she acted as the coordinating judge of the Superior Court for the District of Terrebonne.

From 2006 to 2013, she was a faculty member and the co-chair of the annual intensive judicial education program for newly appointed judges under the joint responsibility of the Canadian Institute for the Administration of Justice (CIAJ) and the National Judicial Institute (NJI). Since 2013, she has been involved as a faculty member, teaching trial management and rules of evidence. 

She was appointed to the Quebec Court of Appeal on April 5, 2012.