Justice Martin Vauclair was appointed to the Court of Appeal of Quebec in 2013, after serving for three years at the Superior Court (2010-2013) and for five years at the Court of Québec (2005-2010).
Following his studies at Collège Notre-Dame and Collège Jean-de-Brébeuf, he completed two bachelor degrees from Université de Montréal in Criminology (1985) and in Law (1993). During his studies, he distinguished himself at the Gale Cup Moot Competition held at Osgoode Hall in Toronto where he received the Dickson Medal for Exceptional Oralist Performance by the American College of Trial Lawyers. Called to the Quebec Bar in 1994, he practiced as a defence lawyer in criminal and disciplinary law.
In 1993 and up until the 2012 edition, he co-authored the book Traité de preuve et de procédure pénales with Justice Pierre Béliveau. He continues to update this book which is published yearly by Yvon Blais in collaboration with Éditions Thémis.
Between 2002 and 2005, before being appointed to the Court of Québec, he taught criminal evidence and procedure at Université du Québec à Montréal (UQAM). He was member of the executive branch of the Association des avocats de la défense de Montréal, member of the Comité du Barreau de Montréal sur l’administration de la justice en matière criminelle (2000-2005) and member of the Comité organisateur du Congrès du Barreau du Québec (2005).
As a criminologist, he worked mainly in the area of community action related to the social reinsertion of adult offenders. Concurrently, he taught criminology at Ahuntsic College and Université de Montréal.
He is also author and co-author of various publications in criminology, particularly in the Canadian Journal of Criminology (1986), the Cahiers de l’École de criminologie (1986) as well as for the Association professionnelle des criminologues du Québec (1986).
He served as a board member of the Société Elizabeth Fry de Montréal (1989-1992) and the Foyer de cautionnement l’Issue (1989-1991). He also served as a board member of the Camp familial Bleu et Blanc (1999-2001) which is devoted to Montreal's many disadvantaged families.
He has given many conferences on Criminal Law for the National Judicial Institute, the Superior Court, the Court of Québec, the Quebec Bar, the Association des avocats de la défense de Montréal, the Commission des services juridiques, the École de criminologie de l’Université de Montréal, the Crime Victims Assistance Center of Montreal and the Montreal YMCA.