Ontario Public Service Wallace held a number of roles with the provincial government of Ontario. He began his career in 1981. Before his appointment as the secretary of the Cabinet, he was
deputy minister of finance and secretary to the
Treasury Board of Ontario, and also served as the
deputy minister of Energy. Previously, he was the deputy minister and associate secretary of the Cabinet for policy in Cabinet Office. He was made the secretary of the Cabinet and head of the Ontario Public Service in 2011 serving until 2014, when he was an Ontario Public Service Visiting Fellow at the School of Public Policy and Governance at the University of Toronto.
City of Toronto Wallace was initially part of a panel in 2014 that sought to find a replacement for retiring city manager
Joe Pennachetti, before deciding to join the running himself. On May 5, 2015,
Toronto City Council held a private session to discuss Wallace's selection after he was approved by
Mayor John Tory and the Executive Committee and he was appointed following a unanimous vote in Council. until he stepped down effective April 3, 2018, to accept a role leading the
Treasury Board of Canada Secretariat. Deputy city manager Giuliana Carbone replaced him until the appointment of
Chris Murray on a permanent basis.
Federal government Wallace was appointed as secretary of the Treasury Board on the advice of
Prime Minister Justin Trudeau effective April 4, 2018. The secretary is
deputy minister of the department, reporting to the president of the Treasury Board. Wallace left the Government of Canada in November 2021. == References ==