Position Summary... The Senior Manager, Environmental Stewardship leads strategy, compliance, and execution for producer responsibility programs across Canada. This role is accountable for the Canadian Extended Producer Responsibility (EPR) Blue Box program and Canadian eco-fee programs, ensuring full regulatory compliance while driving cost efficiency, operational excellence, and cross-functional alignment. What you'll do... Oversee end-to-end governance and execution of the Canadian EPR Blue Box program, including registration, reporting,