Guy Giorno is a Canadian lawyer (LLB Class of 1989 from the University of Toronto ) and conservative political activist. Giorno was Chief of Staff to then Premier of Ontario

Premier of Ontario

The Premier of Ontario is the first Minister of the Crown for the Canadian province of Ontario. The Premier is appointed as the province's head of government by the Lieutenant Governor of Ontario, and presides over the Executive council, or Cabinet. The Executive Council Act The Premier of Ontario...

 Mike Harris

Mike Harris

Michael Deane "Mike" Harris was the 22nd Premier of Ontario from June 26, 1995 to April 15, 2002. He is most noted for the "Common Sense Revolution", his Progressive Conservative government's program of deficit reduction in combination with lower taxes and cuts to government...

. In 2002 he joined the Toronto office of the Fasken Martineau DuMoulin

Fasken Martineau DuMoulin

Fasken Martineau is an international business law firm with more than 650 lawyers and offices in Vancouver, Calgary, Toronto, Ottawa, Montréal, Québec City, London, Paris and Johannesburg. The Firm has present in the Middle East in Riyadh in affiliation with Osool Law Firm...

 law firm. On July 1, 2008, Giorno succeeded Ian Brodie

Ian Brodie

Ian Brodie, is a Canadian political scientist and was Chief of Staff in Stephen Harper's Prime Minister's Office from Harper's ascension to the position of prime minister until July 1, 2008. The news that he was leaving the post came days before the release of a report on the Clinton/Obama NAFTA...

  as Chief of Staff

Chief of Staff (Canada)

The Chief of Staff of Canada's Prime Minister's Office is the top official of the office. It was created in 1987 to head the Prime Minister's Office or PMO....

 in the Prime Minister's Office

Office of the Prime Minister (Canada)

In Canada, the Office of the Prime Minister , located in the Langevin Block, on Parliament Hill, in Ottawa, is one of the most powerful parts of the government. It is made up of the prime minister and his or her top political staff, who are charged with advising the prime minister on decisions,...

 of Canadian Prime Minister

Prime Minister of Canada

The Prime Minister of Canada is the primary minister of the Crown, chairman of the Cabinet, and thus head of government for Canada, charged with advising the Canadian monarch or viceroy on the exercise of the executive powers vested in them by the constitution...

 Stephen Harper

Stephen Harper

Stephen Joseph Harper is the 22nd and current Prime Minister of Canada and leader of the Conservative Party. Harper became prime minister when his party formed a minority government after the 2006 federal election...

. He returned to Fasken Martineau effective January 1, 2011, and was replaced as Chief of Staff by Nigel S. Wright

Nigel S. Wright

Nigel S. Wright is the current Canadian Chief of Staff. He was appointed in 2011 to replace Guy Giorno, and is the third Chief of Staff for Prime Minister Stephen Harper. Wright had been a managing director for Onex Corporation.- References :...

. He is a fellow at the University of Toronto School of Public Policy & Governance.

In January 2011 he was appointed National Campaign Chair of the Conservative Party's re-election effort.