Canadian federal lobbying registration
Registrant: WILLIAM DEMPSTER
Lobbying firm: 3Sixty Public Affairs Inc.
Lobbying firm (French name): 3Sixty Public Affairs Inc.
Client: Vertex Pharmaceuticals (Canada) Inc.
Client address: 20 Bay Street, Suite 1520, Toronto, ON, M5J 2N8, CAN
Client representative: Prabh Grewal, Senior Manager, Public Affairs
Effective date: 2026-03-04
Posted: 2026-03-05