Peter MacKay is a Canadian politician and lawyer who served as a Member of Parliament (MP) for over 17 years. He was a prominent member of the Conservative Party of Canada and held various cabinet positions, including Minister of National Defence and Minister of Foreign Affairs. MacKay played a significant role in the merger of the Progressive Conservative Party and the Canadian Alliance, which formed the modern Conservative Party. Born on June 27, 1965, in New Glasgow, Nova Scotia, MacKay studied law at Dalhousie University and began his political career in 1997. After stepping down from politics in 2015, he has been involved in various business ventures and continues to be a notable figure in Canadian public life.