Now, more than ever, nonprofit leaders need to know how to maximize their social impact. Heather McLeod Grant shares some of the groundbreaking research explored in her co-authored book Forces for Good: The Six Practices of High-Impact Nonprofits. Drawing on her extensive study of nonprofit leaders and organizations, Grant reveals that success isn't just about "nonprofit management," but about creating larger systemic change. She shares three of the six practices for making such transformation possible.