What will it take to solve the world’s most difficult challenges? The demands of fundraising often hamstring social entrepreneurs poised to dismantle unjust systems. Most grants are too small, too short, and too restrictive to achieve the kind of change funders actually hope to see. What happens when funders, large and small, combine funds—and forces—to advance systems change initiatives? Can alliances of the wealthy avoid reinforcing existing power structures while effectively addressing large-scale injustice?