Dr. Guoray Cai is an associate professor of information sciences and technology at Penn State, with affiliate appointments in geography as well as in computer science and engineering. He is the founding director of the College of IST's Spatial Information and Intelligence Laboratory. His research includes geographical information systems, geo-collaboration, human-computer interaction, information retrieval, and spoken-dialogue systems. Dr. Cai teaches IST 868: Topics in Visual Analytics for Security Intelligence.