Dan Ariely was born in 1968 in New York, but he grew up in Israel. He was a physics and mathematics major at Tel Aviv University but later switched to philosophy. He holds an M.A. and Ph.D. in cognitive psychology from the University of North Carolina at Chapel Hill, and a Ph.D. in business from Duke University. He has taught at numerous universities including MIT Sloan School of Management, MIT's Media Lab, and Duke University. He is considered one of the leading behavioral economists. His work has been featured in several scholarly journals in the areas of psychology, economics, neuroscience, medicine and business. He has also been published in the New York Times, the Wall Street Journal, The New Yorker, and Scientific American. He is a regular commentator on National Public Radio and has appeared on CNN and CNBC. He is the author of Predictably Irrational: The Hidden Forces That Shape Our Decisions, The Upside of Irrationality: The Unexpected Benefits of Defying Logic at Work and at Home, and The (Honest) Truth about Dishonesty: How We Lie to Everyone - Especially Ourselves.
TIM FOLGER is a contributing editor at Discover and writes about science for several magazines.