Kay-Yut Chen leads Hewlett Packard's experimental economics laboratory - the first such lab at any company - which he established in 1994 after earning his PhD from Caltech. His cutting-edge research has been used across HP; his lab designed the standard contract between Hewlett-Packard and retailers like Wal-mart and Best Buy. His work has been featured in Scientific American, Risk Magazine, Newsweek, The Financial Times, The Wall Street Journal, BusinessWeek.com, and Portfolio.com.Marina Krakovsky is a journalist who writes about the intersection between science and business. Her credits include Scientific American, Slate, Discover, Psychology Today, The Washington Post and The New York Times Magazine.