Renowned psychology expert and Stanford University professor Michele Gelfand is one of the leading researchers and writers on culture and the impact of culture on behavior. Gelfand uses field, experimental, computational and neuroscience methods to understand the evolution of culture and its multilevel consequences for human groups. Her work has been cited over 50,000 times and has been featured in the Washington Post, the New York Times, the Boston Globe, National Public Radio, Voice of America, Fox News, NBC News, ABC News, and The Economist, among other outlets. Most recently, she is the author of "Rule Makers, Rule Breakers: How Tight and Loose Cultures Wire the World."

For 28 years, comedian Kathleen Madigan has been touring 250 nights on the road and squeezing in hour-long filmed specials and performances on every late night show ever made. From 25 appearances on "The Tonight Show" and multiple appearances on Letterman and Conan to recently riding around with Jerry Seinfeld in his internet series "Comedians in Cars Getting Coffee," Madigan is still having a blast and selling out theaters across the country. She's won the American Comedy Award for "Best Female Comedian" and the Phyllis Diller award for "Best Female Comedian." She has written and produced for Lewis Black's "Root of All Evil" on Comedy Central and done multiple USO tours in Iraq and Afghanistan.