- Faculty Affiliate, Energy Institute, Texas A&M Engineering Experiment Station (TEES), Division of Research
- Academic Director, Albritton Center for Grand Strategy, Texas A&M University, Bush School of Government and Public Service
- Associate Professor, International Affairs, Bush School of Government and Public Service
Jasen Castillo is an associate professor in the Bush School of Government and Public Service at Texas A&M University. Prior to joining the Bush School, Jasen worked in the Department of Defense's Policy Planning Office. Before working in the Office of the Secretary of Defense, he was an analyst at the RAND Corporation, where his research focused on military strategy, nuclear deterrence, and WMD terrorism. Prior to RAND, he was a consultant for the Institute for Defense Analyses. Dr. Castillo earned his PhD in political science from the University of Chicago, where he received research support from the National Science Foundation and the Smith Richardson Foundation. His research interests include US defense policy, military history and nuclear deterrence.
- Ph.D. in Political Science, University of Chicago - (Chicago, Illinois, United States) 2003
- M.A. in Political Science, University of Chicago - (Chicago, Illinois, United States) 1997
- B.A. in Political Science, Northwestern University - (Evanston, Illinois, United States) 1995
- Castillo, J. J., & Downes, A. B. (2020). Loyalty, hedging, or exit: How weaker alliance partners respond to the rise of new threats. Journal of Strategic Studies. 1-42.
- Castillo, J. J (2016). What Good Is Grand Strategy? Power and Purpose in American Statecraft from Harry S. Truman to George W. Bush. By Hal Brands. Ithaca, NY: Cornell University Press, 2014. 288p. $29.95 cloth, $19.95 paper.. Perspectives on Politics. 14(3), 919-920.
- Castillo, J. J (2011). The Politics of Military Occupation. By Peter M. R. Stirk. Edinburgh: Edinburgh University Press, 2009. 272p. $90.00.. Perspectives on Politics. 9(4), 935-936.
- Castillo, J. J. (2003). Nuclear Terrorism: Why Deterrence Still Matters. Current History. 2(668), 426-431.
- (1997). The dilemma of simultaneity: Russia and Georgia in the midst of transformation. World Affairs. 160(1), 34-42.