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Erin O'Toole

Erin Michael O'Toole is a Canadian lawyer, former military officer and politician.

By Ethan Anderson| Reviewed by Olivia Bennett, Standards & Fact-Checking Lead| Updated July 27, 2026|2 min read| Fact-checked

Erin Michael O'Toole is a Canadian lawyer, former military officer, and politician. He led the Conservative Party of Canada and served as Leader of the Official Opposition from 2020 to 2022. He represented the riding of Durham in the House of Commons from 2012 to 2023.

Early life and education

Erin O'Toole was born in Montreal, Quebec, on January 22, 1973. He grew up in Bowmanville, Ontario. He attended the Royal Military College and later Dalhousie Law School.

Before entering politics, O'Toole served for 12 years in the Canadian Armed Forces. He later worked as a corporate lawyer. His military and legal background have been a major part of his public profile.

Political career

O'Toole entered federal politics by winning a by-election in 2012 for the riding of Durham. He served as Minister of Veterans Affairs under Prime Minister Stephen Harper in 2015. He also held parliamentary secretary roles. He became leader of the Conservative Party in 2020.

Leadership of the Conservative Party

O'Toole led the Conservative Party of Canada and served as Leader of the Official Opposition from August 2020 to February 2022. His leadership ended after a caucus vote against him. He left Parliament in 2023.

Post-political career

After leaving politics, O'Toole moved into advisory and academic roles. He worked with ADIT North America, became a distinguished fellow at the Hudson Institute, and served as an adjunct professor at Huron University.

Key facts

  • Served 12 years in the Canadian Armed Forces before becoming a lawyer and entering politics.
  • First elected to the House of Commons in a 2012 by-election for Durham.
  • Led the Conservative Party of Canada from 2020 to 2022.
  • Served as Leader of the Official Opposition from 2020 to 2022.
  • Was Minister of Veterans Affairs under Prime Minister Stephen Harper in 2015.
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Canadian context

O'Toole is a prominent figure in modern Canadian federal politics, especially for readers interested in the Conservative Party, Parliament, military veterans in politics, and leadership transitions in Ottawa.

Frequently asked questions

Who is Erin O'Toole?
He is a Canadian lawyer, former military officer and former politician who led the federal Conservative Party and served as Leader of the Official Opposition.
When was Erin O'Toole born?
He was born on January 22, 1973.
Which riding did Erin O'Toole represent?
He represented Durham in Ontario in the House of Commons from 2012 to 2023.
What leadership roles did Erin O'Toole hold?
He was leader of the Conservative Party of Canada from 2020 to 2022 and Leader of the Official Opposition during the same period.
What did Erin O'Toole do before politics?
He served for 12 years in the Canadian Armed Forces and then worked as a corporate lawyer.
Is Erin O'Toole still an MP?
No. He is no longer a member of Parliament.

References

  1. Wikipediahttps://en.wikipedia.org/wiki/Erin_O'Toole
    Supports: Birth date, birthplace, career overview, military service, MP tenure, and Conservative leadership dates.
  2. Erin O'Toolehttps://erinotoole.ca/about/
    Supports: Military service, leadership background, current professional roles, and family information.
  3. Global Affairs Canadahttps://international.canada.ca/en/global-affairs/campaigns/advisory-committee/erin-otoole
    Supports: Military service, legal career, parliamentary and cabinet roles, and current professional affiliations.
  4. House of Commons of Canadahttps://ourcommons.ca/members/en/72773
    Supports: That he is no longer an MP, party affiliation, and constituency.
  5. CBC Newshttps://www.cbc.ca/news/politics/erin-otoole-conservative-leader-profile-1.5697363
    Supports: Military background and leadership transition in the Conservative Party.
  6. Britannicahttps://www.britannica.com/biography/Erin-OToole
    Supports: Conservative leadership, 2021 election context, and policy positioning.