Stephen Joseph Harper is a Canadian politician who served as the 22nd prime minister of Canada from 2006 to 2015. He is to date the only prime minister to have been a member of the modern-day Conservative Party of Canada, being the party's co-founder and serving as its first leader from 2004 to 2015. Since 2018, he has been the chairman of the International Democracy Union. Born: April 30, 1959 In office: February 6, 2006 – November 4, 2015 Wiki link