William Sterling Blair is a Canadian diplomat, politician, and former police officer who has served as the Canadian High Commissioner to the United Kingdom since 2026. A member of the Liberal Party, he formerly represented Scarborough Southwest in the House of Commons from 2015 to 2026. Blair held Cabinet portfolios during the Justin Trudeau and Mark Carney governments, including the role of Minister of National Defence from 2023 to 2025.
Ranked by shared high-impact facts, then explicit ties, then shared drivers.
Karina GouldSame organization: Liberal Party of Canada
Pablo RodriguezSame organization: Liberal Party of Canada
Sean FraserSame organization: Liberal Party of Canada
Michael IgnatieffSame organization: Liberal Party of Canada
Ahmed HussenSame organization: Liberal Party of Canada
Anne McLellanSame organization: Liberal Party of Canada
Catherine McKennaSame organization: Liberal Party of CanadaHow the record is sourced and how the score is derived.
The score is formula-derived (Factrail formula v1, version 1.0.0), not an editorial verdict. Read the methodology.
By the Factrail desk · Method: how we source and score · Last reviewed