John W. Fisher III is a Senior Research Scientist in the Computer Science and Artificial Intelligence Laboratory and affiliated with the Laboratory for Information and Decision Systems, both at the Massachusetts Institute of Technology. Prior to joining MIT he was a graduate student and visiting faculty member at the University of Florida from 1987-1997, during which time he conducted research in the areas of ultra-wideband radar for ground penetration and foliage penetration applications, radar signal processing, and automatic object recognition algorithms. His current areas of research include information-theoretic approaches to signal processing, multi-modal data fusion, distributed sensing and inference, and machine learning. He received his Ph.D. degree in electrical and computer engineering from the University of Florida, Gainesville, Florida in 1997.