David Lewis is an consulting computer scientist working in the areas of information retrieval, machine learning and natural language processing. He has helped corporations, universities and non-profit organisations of various sizes to design, implement or acquire, and field systems for classifying, searching and mining text data. He is a frequent invited speaker and tutorial presenter on these topics. Lewis has published more than forty scientific papers and holds six patents on information retrieval and text mining technology. He was a member of the committees that designed and administered the US government MUC and TREC evaluations of language processing technologies.
From 1992 to 2000, Lewis was a researcher at AT&T Labs and Bell Labs, working in the areas of information retrieval, machine learning and text mining. From 1991 to 1992 he was a research faculty member at the Center for Information and Language Studies at the University of Chicago. Lewis holds a BA in Mathematics and a BS in Computer Science from Michigan State University, and an MS and PhD in Computer Science from the University of Massachusetts at Amherst. His PhD dissertation won the 1992 American Society for Information Science Doctoral Forum Award.