The Custodian is essential to delivering first class open digital health products that are clinically safe, secure, and sustainable. This session will describe what the Custodian is, how it empowers the community to control the product roadmap and how it ensures the supply chain flourishes. We will describe the evolution of the Custodian Model and how it provides a key collection of processes, procedures and policies that enable a truly open way of working. This session will provide several real-world use cases of the successful use of the Custodian and the positive impact it has on society.