True, sustainable social change is difficult to achieve, and historically very few donors have been willing to make big bets of $10 million or more on any one solution. But a new model is emerging, one in which philanthropists are pooling funds and looking to fund solutions that won’t just move the needle but will permanently change unjust systems. This represents a new frontier for funders and nonprofits alike. Learn from the people who are drawing up the blueprints.