James "Ralph" Teague is a principal research scientist at the Georgia Tech Research Institute (GTRI) with more than 44 years of experience in sensor and related technologies, encompassing material science to large-scale sensor system integration. Dr. Teague currently serves as a technology specialist supporting DSIAC, responding to technology inquiries from the military and homeland defense sensing communities. He provides short courses to the sensor community in detection and tracking systems; laser systems; missile seeker design; EO/IR payloads; self-defense systems; chemical, biological and explosion detection systems; as well as required sensor-related technologies, such as detectors, image processing, and optics. Dr. Teague is also active as a technology advisor, consultant, and expert witness and has also been an Associate Editor for the IEEE Aerospace and Electronic Systemsmagazine, responsible for sensors, EO, and radar content. He holds a Ph.D. in experimental physics from the University of Missouri-Rolla, an M.S. from New Mexico Highlands University, and a B.A. from the University of North Carolina.