Commissioner

Deputy Commissioner of the CRA

Bob Hamilton,
Commissioner of the CRA

Bob Hamilton was appointed as the Commissioner of the Canada Revenue Agency (CRA) effective August 1, 2016. 

Prior to joining the Canada Revenue Agency, Bob served as Deputy Minister of Environment Canada, and Deputy Minister of Natural Resources Canada.

Bob was appointed Senior Associate Secretary of the Treasury Board in March 2011 and named by the Prime Minister as the lead Canadian on the Canada-United States Regulatory Cooperation Council.

Bob has held many senior positions in the Department of Finance, including Senior Assistant Deputy Minister, Tax Policy, and Assistant Deputy Minister of Finance Sector Policy.

He received his Honours BA and Master’s degrees in Economics from the University of Western Ontario.

Deputy Commissioner of the CRA

John Ossowski,
Deputy Commissioner of the CRA

On June 26, 2015, Prime Minister Stephen Harper announced the appointment of Mr. John Ossowski to the position of Deputy Commissioner of the Canada Revenue Agency, effective July 6, 2015.

Prior to this appointment, Mr. Ossowski was the Associate Deputy Minister of Public Safety since 2013. He has also held senior positions in the federal Public Service, notably, he served as Assistant Secretary, International Affairs, Security and Justice Sector, Treasury Board Secretariat from 2008 to 2013, and as Deputy Chief, Corporate Services, Communications Security Establishment Canada from 2005 to 2008.

Mr. Ossowski holds a Bachelor of Arts, Economics, from the University of Victoria.

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