support of an entire industry for their advanced tools and their research and teaching efforts, and details the AO¿s evolution into a non-profit foundation that now trains more than 50,000 surgeons, on all continents, every year. The efforts of the AO¿s affiliated surgeons, undertaken largely on a volunteer basis and with their own financial resources, serve as a stellar example of social entrepreneurship. Today the AO Foundation numbers over 20,000 surgeon members worldwide, and the industry that emerged to produce related implants and tools employs thousands of skilled staff. Professionals in consulting as well as in healthcare can use this book as a source of successful strategies, and as a blueprint for active social entrepreneurship.