Dan Ariely, author of Predictably Irrational and Small Change, is the James B. Duke Professor of Psychology and Behavioral Economics at Duke University, and is the founder of the Center for Advanced Hindsight. His work has been featured in the New York Times, Wall Street Journal, Washington Post, Boston Globe, and elsewhere. He lives in North Carolina with his family.
Jeff Kreisler is an award-winning comedian and writer who writes for Comedy Central's InDecision 2008 and maintains a syndicated business humour column on Jim Cramer's website TheStreet. In addition to writing, he performs his stand-up comedy around the country. He lives in New York, NY.