John Sinclair

John Sinclair is a highly diversified senior leader with extensive experience in government, education, human resources, and campaign management. Currently serving as Vice President at Crestview Strategy since 2025, they previously held roles such as Vice President of Government Relations at Sutherland and Deputy Chief of Staff to the Leader of Her Majesty’s Loyal Opposition in Ontario. Their leadership experience also includes serving as Chief of Staff to the Infrastructure and Environment Chair for the City of Toronto. Committed to lifelong learning, John encourages professional development among their staff while pursuing education at Ryerson University and the University of Toronto’s Rotman School of Management in Human Resources Management and Services.