The Trust-Based Philanthropy Project reimagines traditional funder-grantee relationships. They work with foundations to create a philanthropic ecosystem that is trust-based. They build and curate the tools and resources to engage grantmakers around ways to embody this approach, and why it matters. And they invite others to join them by connecting new and experienced practitioners to learn from each other and help grow their trust-based muscles. This guide presents six key principles that put trust-based values into action.