Interest in social enterprises is exploding in business schools. Social ventures seek to bring the discipline and energy of private enterprise to the task of solving problems like poverty, lack of clean water, and poor environmental quality. Although several textbooks exist to introduce the concept to students, this is the only one to combine current theory with extensive real-world examples. It draws on the collective intelligence of more than 200 Silicon Valley entrepreneurs in mentoring more than 700 social entrepreneurs at the Global Social Benefit Institute, a 14-year old social enterprise incubator at Santa Clara University’s Miller Center. It offers a complete skill-building framework for both aspiring and practicing social entrepreneurs.