The Sustainable Sovereign Debt Hub is a multi-stakeholder platform transforming the USD $92 trillion sovereign debt market by embedding sustainability-linked instruments into global finance. Acting as a neutral convener, SSDH aligns governments, investors, MDBs, and technical partners to integrate climate, nature, and resilience into sovereign financing. Its Financial Materiality Assessment and SovTech tools enable performance-based debt structures, while initiatives like the Taskforce on Credit Enhancement and London Coalition advance innovations such as Climate-Resilient Debt Clauses. With active pilots in Côte d’Ivoire, Thailand, and Slovenia, SSDH is building the operating system for a fairer, resilient financial architecture that channels capital toward sustainable development.