Stephen Joseph Harper (born April 30, 1959) is a Canadian politician who served as the 22nd prime minister of Canada from 2006 to 2015. The longest-serving prime minister from a right-of-centre party since John A. Macdonald, Harper is the first and only prime minister to come from the modern-day Conservative Party of Canada, serving as the party's first leader from 2004 to 2015. ...