Stanford Professor Lawrence Lessig, who has done some amazing activist work as a lawyer toward reforming intellectual property laws and the founder of Creative Commons. He is also the founder of the Free Culture movement.
Lessig has now expanded his horizons and is starting a new movement: the Change Congress Movement. His goal is to rid congress of the corruption caused by our broken money-based political system. This noble goal would go a long way to changing a fundamental problem that has been stifling all hopes of real progress.