Richard M. Medina is a Professor in the Department of Geography and GeoInformation Science and faculty in the Center for Geospatial Intelligence at George Mason University. His research focuses on terrorism and homeland Security, network science, Geographic Information Systems and Science (GIS/GISc), and complex social systems. Before his present job as a professor he worked as a Research Scientist at Oak Ridge National Laboratory. His recent publications focus on terrorist group operations in hybrid space, spatial analysis of terrorist attacks in Iraq, and vulnerable dynamic populations, including a 2013 book titled, The Geography if International Terrorism: An Introduction to Spaces and Places of Violent Non-State Groups. He teaches courses on the geography of terrorism, human terrain analysis, spatial databases, and human geography.