William Sterling Blair is a Canadian politician and former police officer who has served as the minister of National Defence since 2023. A member of the Liberal Party, Blair represents Scarborough Southwest in the House of Commons. Blair previously held the portfolios of Minister of Border Security and Organized Crime Reduction and minister of Public Safety and Emergency Preparedness. Before entering politics, Blair worked for four decades with the Toronto Police Service (TPS), serving as the chief of police from 2005 until retiring in 2015.

Mark Saunders is a Canadian politician and retired police officer who served as chief of police with the Toronto Police Service (TPS) from 2015 to 2020.