Brad Stapleton is a visiting research fellow in defense and foreign policy. He possesses expertise in transatlantic security issues, as well as in foreign policy learning and processes of strategic adjustment. His recent work focuses primarily on how military quagmires influence states’ subsequent decisions regarding the use of military force. A portion of that work has been funded by the George C. Marshall Foundation and published in the Journal of Cold War Studies.

Prior to joining Cato, Stapleton served as an adjunct researcher at the RAND Corporation, where he collaborated on analyses of the proliferation of advanced conventional weapons to non-state militants, and the challenges of building the capacity of U.S. partner militaries in Africa. He earned a Ph.D. in Political Science from the University of California, Los Angeles, as well as a B.S. and M.A. from the Edmund A. Walsh School of Foreign Service at Georgetown University

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