Crown Head of state (monarch) – Queen Elizabeth II Federal government Governor General – Michaëlle Jean then David Johnston Cabinet 28th Canadian Ministry Prime Minister – Stephen Harper Minister of Finance – Jim Flaherty Minister of Foreign Affairs – Lawrence Cannon Minister of International Trade Stockwell Day (to January 19) Peter Van Loan (from January 19) Minister of National Defence – Peter MacKay Minister of Health – Leona Aglukkaq Minister of Industry – Tony Clement Minister of National Revenue Jean-Pierre Blackburn (to January 19) Keith Ashfield (from January 19) Minister of Heritage – Josée Verner Minister of Intergovernmental Affairs – Josée Verner Minister of the Environment Jim Prentice (to November 5) John Baird (from November 7) Leader of the Government in the House of Commons (House Leader) Jay Hill (to August 6) John Baird (from August 6) Minister of Justice – Rob Nicholson Minister of Transport John Baird (to August 6) Chuck Strahl (from August 6) Minister of Labour Rona Ambrose (to January 19) Lisa Raitt (from January 19) Minister of Canadian Heritage – James Moore Minister of Citizenship and Immigration – Jason Kenney Minister of Indian Affairs and Northern Development Chuck Strahl (to August 6) John Duncan (from August 6) Minister of Veterans Affairs Greg Thompson (to January 16) Jean-Pierre Blackburn (from January 19) Minister of Fisheries and Oceans – Gail Shea Minister of Agriculture and Agri-Food – Gerry Ritz Minister of Public Works and Government Services Christian Paradis (to January 19) Rona Ambrose (from January 19) Minister of Public Safety Peter Van Loan (to January 19) Vic Toews (from January 19) President of the Treasury Board Vic Toews (to January 19) Stockwell Day (from January 19) Minister of Natural Resources Lisa Raitt (to January 19) Christian Paradis (from January 19) Minister of Human Resources and Skills Development – Diane Finley Minister of Western Economic Diversification Jim Prentice (to November 5) Rona Ambrose (from November 5) Minister for International Cooperation – Bev Oda Parliament See: 40th Canadian parliament Party leaders Liberal Party of Canada – Michael Ignatieff Conservative Party of Canada – Stephen Harper Bloc Québécois – Gilles Duceppe New Democratic Party – Jack Layton Green Party of Canada – Elizabeth May Other Speaker of the Senate – Noël Kinsella Speaker of the House of Commons – Peter Milliken Governor of the Bank of Canada – Mark Carney Chief of the Defence Staff – General Walter J. Natynczyk Supreme