From Wikipedia (English):

Thomas Joseph "Tom" Mulcair, PC MP (born October 24, 1954) is the leader of the New Democratic Party of Canada, as well as the Leader of the Official Opposition in Canada. An NDP Member of Parliament for the electoral district of Outremont in Quebec since 2007, he was selected as the leader of the NDP at a leadership election on March 24, 2012, with 57.2% of the votes on the fourth and final ballot.

A lawyer and university professor, Mulcair joined the federal NDP in 1974. He was the provincial Member of the National Assembly of Quebec for the riding of Chomedey in Laval from 1994 to 2007, holding the seat for the Liberal Party of Quebec. He served as the Minister of Sustainable Development, Environment and Parks from 2003 until 2006, in the Liberal government of Premier Jean Charest. Elected MP for Outremont in a by-election in 2007, he was named co-Deputy Leader of the NDP shortly afterwards, and has won re-election twice.

On May 26, 2011, he was named the New Democratic Party's Opposition House Leader and also served as the NDP's Quebec lieutenant, posts he held until named party leader. Prior to entering politics, Mulcair was a senior civil servant in the Quebec provincial government, ran a private law practice, and taught law at the university level.

Early life, family, and education

Mulcair was born in 1954 at the Ottawa Civic Hospital, to a French-Canadian mother, Jeanne (née Hurtubise), and an Irish-Canadian father, Harry Donnelly Mulcair. He is the second-oldest of the couple's ten children, and grew up fluently bilingual. His maternal great-great-grandfather was the 9th Premier of Quebec, Honoré Mercier. Mulcair was raised in the Wrightville district of Hull (now Gatineau) and in Laval, just north of Montreal. He graduated from Laval Catholic High School, and in Social Sciences from CEGEP Vanier College.

Mulcair graduated from McGill University in 1977 with degrees in common law and civil law. During his penultimate year, he was elected president of the McGill Law Students Association, and sat on the council of the McGill Student Union. He has been married to Catherine Pinhas since 1976; she is a psychologist who was born in France to a Sephardic Jewish family from Turkey. The couple have two sons; one is a police officer while the other is an engineer.

Mulcair has dual citizenship and is both a Canadian citizen and a French citizen.