Dan Ariely is the James B. Duke Professor of Psychology and Behavioral Economics at Duke University and is the founder of The Center for Advanced Hindsight and also the co-founder of BEworks. Ariely's talks on TED have been watched over 7.8 million times. Wikipedia*
On the C-SPAN Networks:
Dan Ariely has three videos in the C-SPAN Video Library; the first appearance was a 2009 Interview as a Visiting Professor for the Fuqua School of Business of the Duke University.