David D. Lewis became a full-time consultant in 2000, but he's done consulting work off and on since graduate school. He has worked with a variety of organizations, including small and large companies, universities, and nonprofit organizations. From 1992 to 2000, Dave was a researcher at AT&T Labs and Bell Labs, where he did research and built prototype systems in the areas of information retrieval, machine learning, natural language processing, and evaluation of information systems. He...