Pierre Poilievre, politician, Member of Parliament 2004–present, Cabinet minister, leader of the official opposition 2022–present (born 3 June 1979 in Calgary, AB). Pierre Poilievre has been the Member of Parliament (MP) for the Ottawa riding of Carleton (formerly Nepean-Carleton) since 2004. After serving as the youngest MP in Parliament, Poilievre became a cabinet minister in the government of Prime Minister Stephen Harper. Long known as a pugnacious partisan, Poilievre has been a fierce critic of the government of Prime Minister Justin Trudeau. Poilievre became the leader of the Conservative Party and of the Official Opposition in September 2022.