The perennial question for social entrepreneurs: How to build a business model that achieves the trifecta of social impact, financial viability, and growth. Passionate people everywhere have come up with excellent (and not-so-excellent) ideas for improving people’s lives. But successful social entrepreneurs have identified both a game-changing solution to a market gap and a solid business model. A unique idea, financing, and patience are needed to build a successful social business that can go the full distance.