Integrity Commissioner

Cathryn Motherwell was appointed Integrity Commissioner by the Legislative Assembly on April 16, 2025, for a five-year term. A former journalist, she has been with the Office of the Integrity Commissioner since 2009. Her leadership and dedication have been instrumental in shaping the office’s work across its seven mandates.

Commissioner Motherwell has represented Ontario in government ethics, lobbyist registration and disclosure of wrongdoing meetings with other jurisdictions across Canada. She is a regular speaker and panelist at the Council on Governmental Ethics Laws and currently serves as its conference program co-chair. She lives in Toronto with her husband and daughter.

Former Integrity Commissioners

  • J. David Wake, K.C.: February 1, 2016 to February 28, 2025
  • Lynn Morrison: August 1, 2007 to December 31, 2015
  • The Honourable Coulter A. A. Osborne: September 17, 2001 to July 31, 2007
  • The Honourable Gregory T. Evans: June 29, 1988 to November 30, 1997 and March 5, 2001 to September 16, 2001
  • The Honourable Robert C. Rutherford: December 1, 1997 to March 4, 2001

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