This article explains how to master B2B sponsor management with best practices for lead capture, ROI reporting, and long-term renewals, outlining five core practices: establishing clear tiered packages, centralizing sponsor communication, enabling structured lead capture, showcasing sponsors across multiple channels, and delivering actionable post-event ROI reporting. It emphasizes that what happens after a sponsorship contract is signed determines renewal success, as sponsors increasingly expect qualified conversations, co-created content, and real engagement data rather than logo exposure alone.