My research centers on the role of information systems for storage and retrieval in a wide range of applications, with particular emphasis on rigorous evaluation of the effectiveness of such systems.   Current projects deal with everything from indexing brain images to managing nuclear sensors.

At large, I am a member of the American Society for Information Science and Technology (ASIST), the American Association for the Advancement of Science (AAAS), the IEEE, SIAM (the Sociatye for Industrial and Applied Mathematics)  and the American Statistical Association. My research has been supported by such agencies as the NSF, DARPA, ARDA and the US Department of Education. I was educated in Physics and Mathematics at Columbia and Princeton, have received the ASIST Research award, and am a Fellow of the AAAS. Biographical listings: Who's Who in America; Who's Who in the World.