Jamie De Coster


Lieutenant Jamie Lynn De Coster is a Surface Warfare Officer in the United States Navy and a PhD candidate at Tufts University’s the Fletcher School of Law and Diplomacy. She is currently researching non-state armed groups, with particular emphasis on insurgents and profit-seekers in conflict zones. She is currently focused on Afghan war termination, and more broadly, U.S. Afghanistan-Pakistan policy. Her Masters thesis work generated a model on Somali-based hijack-for-ransom piracy. She graduated from the University of Southern California (USC) in 2004 with degrees in Political Science and International Relations, and was commissioned as a military officer through the Naval ROTC program. Lieutenant De Coster spent her first sea tour onboard the USS HOPPER (DDG 70) from 2004-2006. As the Strike Officer and the Anti-Terrorism / Force Protection Officer, she deployed twice to conduct counter-piracy and maritime interdiction operations in the South China Sea, the Arabian Gulf, and the Gulf of Aden. From 2006-2008, Lieutenant De Coster served as the USS CAPE ST GEORGE’s (CG 71) Fire Control Officer. The ship was deployed in support of Operation Iraqi Freedom to defend two Iraqi oil platforms and to conduct theater air defense in the Arabian Gulf. Lieutenant De Coster deployed in 2010 for one year to Afghanistan to serve on the Commander’s Initiatives Group of the International Security Assistance Force (ISAF) Commander, General David H. Petraeus. There, she advised on governance, development, and rule of law issues in the Afghan counterinsurgency campaign. Subsequently, Lieutenant De Coster worked on the U.S. Central Command Commander’s Action Group, advising General James N. Mattis on Afghanistan and Pakistan policy issues during a critical turning point in regional relations. Lieutenant De Coster has written commentary for The New York Times and The World Politics Review, and was selected in 2011 as one of the Top Nine most influential international professionals under 33 years old. Her military awards include the Defense Meritorious Service Medal, and a number of personal commendation and achievement medals.

Awards, Fellowships, and Grants
  • Top nine Most Influential International Professionals Under 33 (2011)
  • Politico-Military Scholar (2008)

• De Coster, Jamie Lynn (2009). “Somaliland Faces a Tipping Point.” The World Politics Review.
• De Coster, Jamie Lynn (2010). “Books and Boots.” The New York Times.
• De Coster, Jamie Lynn and Matthew Herbert (2012). “The Somali Piracy Model: Coming to a Sea Near You.” World Politics Review.

Faculty Advisor(s)
• Antonia Handler Chayes
• Nadim Rouhana
• Richard H. Shultz, Jr. (chair)

Related Links

Search Online Tufts Directory (students, faculty, staff)

School Leadership


  • Board of Advisors
  • Asian Advisory Group
  • European Advisory Group
  • Latin American Advisory Group
  • MENASA Advisory Group