Bill Drayton, the founder of Ashoka, concluded a few years ago that the ultimate goal of social entrepreneurship was to increase the number, and rate of increase, of changemakers: the people who have pattern-changing ideas, and are empathetic entrepreneurs who can spread their solutions and persuade entire sectors or societies to take new leaps. The following resources help explain Drayton's insight and its contexts.
Audio interview with Michael Lerner (about an hour, 62 megabyte .mp3 file, right click and Save As to download).
Everyone a changemaker (pdf, about 709K) is Bill Drayton's paper published in 2006.
Managing Wholes is a project of the Soil Carbon Coalition