Corey’s research and teaching areas include the political geography of Europe and Eurasia, borders and border security, natural resources and energy geopolitics, and Germany. In 2011-12 he was the Joachim Herz Fellow at the Transatlantic Academy in the German Marshall Fund of the United States in Washington, D.C., where he worked on an international collaborative report entitled "The Global Resource Nexus: The Struggles for Land, Energy, Food, Water, and Minerals." Originally from Emporia, Kansas, Corey holds a Ph.D. in geography from the University of Oregon and a B.A. in geography (honors) and German from the University of Kansas.