The Social Innovation Fund (SIF) is a powerful approach to transforming lives and communities that positions the federal government to be a catalyst for impact—mobilizing private resources to find and grow community solutions with evidence of results. Authorized by the Edward M. Kennedy Serve America Act in April of 2009, the Social Innovation Fund is a program of the Corporation for National and Community Service that empowers organizations to identify and support sustainable solutions that are already making a significant impact in transforming communities. With the simple but vital goal of finding what works, and making it work for more people, the Social Innovation Fund and its grantees create a learning network of organizations working to implement innovative and effective evidence-based solutions to local and national challenges in three priority areas: economic opportunity, healthy futures, and youth development.