Robert Greenwald is the founder of Brave New Films, a nonprofit film studio whose work is distributed for free in concert with nonprofit partners and movements in order to educate and mobilize for progressive causes. The work of Brave New Films has been screened over seven continents and viewed over tens of millions of times and counting. Wikipedia*
On the C-SPAN Networks:
Robert Greenwald has one video in the C-SPAN Video Library; the first appearance was a 2005 Forum.