Sean Blake is a member of the United Brotherhood of Carpenters and Allied Workers local 27 for the past 23 years. He has also served as a Business Representative for the local. He is chair of the Shop Steward Committee, member of the Equity, Diversity, and Inclusion Committee, and delegate to Toronto and York Region Labour Council. 

Sean is also a mentor to youth through, Toronto Community Benefit Network mentorship program and a member of the Coalition of Black Trade Unionists. Sean is a longtime supporter of the Community Benefits movement and regularly supports engagement and recruitment activities.