Who is the prime minister of Canada?

The Prime Minister of Canada is Justin Trudeau. Trudeau is the son of former Prime Minister Pierre Trudeau, who served in this position from 1968 to 1984. Like his father, Justin Trudeau is the leader of the Liberal Party in Canada. He entered office in 2015. Trudeau is only 45 years old, having worked for much of his adult life as an educator. He did not enter politics officially until years after his father's death, when he was elected to office in Montreal. He has embraced a progressive agenda, prioritizing environmental and women's rights issues as well as pledging to implement tax reform in Canada. His election, which was the result of a significant victory for the Liberal Party (Canada has a parliamentary system, in which the Prime Minister is chosen from the majority party in Parliament) over the Conservatives, whose Prime Minister Stephen Harper lost power in the 2015 elections. 
https://www.biography.com/political-figure/justin-trudeau