Hugh Segal OC OOnt CD (born October 13, 1950) is a Canadian political strategist, author, commentator, academic, and former senator. He served as chief of staff to Ontario Premier Bill Davis and later to Canadian Prime Minister Brian Mulroney. Segal resigned from the Senate of Canada on June 15, 2014, as a result of his appointment as master (later principal) of Massey College in Toronto.