Sebastian Joon Bae

Photo of Sebastian Bae
Defense Analyst
Washington Office


BA in peace & conflict studies, UC Berkeley; MA in security studies, Georgetown University


Sebastian J. Bae is a defense analyst at the RAND Corporation. For six years, he served in the Marine Corps infantry, leaving as a Sergeant, including a deployment to Iraq in 2009. Afterwards, he served as a defense writer at Foreign Policy Magazine before moving to the U.S. Marine Corps Wargaming Division as a wargaming analyst. His current research interests include wargaming, counterinsurgency, hybrid warfare, violent non-state actors, emerging technologies, and the nature of future warfare. He also serves as an Adjunct Professor at Georgetown's Center for Security Studies, where he teaches military tabletop wargaming. For the Military Operations Research Society, he serves as the Co-Chair for the Wargaming Community of Practice. 


  • The Hawaii National Guard hosting the 2018 Pacific Rim: Chemical, Biological, Radiological, Nuclear, Response, Enterprise Wargame at its Joint Force Headquarters in Honolulu, HI, July 10, 2018, photo by Tech. Sgt. Andrew Jackson/U.S. Air National Guard

    How Can Wargaming Improve Government Response to Catastrophic Events?

    Wargames are abstracted models of national security challenges, where players' decisions and their consequences are adjudicated within a rules-based environment. Due to its inherent flexibility as a tool, wargaming can be applied to a wide range of issues. Yet, it is important to understand what wargaming can and cannot do.

    May 29, 2020 War Room

  • Naval Postgraduate School students participate in analytic wargames they designed to explore solutions for some of DoD's most pressing national security concerns

    Just Let Them Compete: Raising the Next Generation of Wargamers

    Wargames are games that simulate aspects of warfare at varying levels, aimed at analyzing human decisionmaking. To develop the next generation of avid wargamers, the first step is both radical and simple: Let them compete.

    Oct 9, 2018 War on the Rocks