Mario Dion

Mario Dion
2nd Conflict of Interest and Ethics Commissioner of Canada
In office
January 9, 2018 – February 21, 2023
Preceded byMary Dawson
Succeeded byMartine Richard (interim)
2nd Public Sector Integrity Commissioner
In office
2011–2014
Preceded byChristiane Ouimet
Succeeded byJoe Friday
Personal details
Born1956 (age 69–70)
OccupationCivil servant, lawyer
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Mario Dion (born c. 1956) is a Canadian public servant who served as the second conflict of interest and ethics commissioner of Canada. He was appointed on January 9, 2018, succeeding Mary Dawson to a seven-year term. In February 2023, he resigned due to persistent health issues.