Dr. Geoffrey F. Gresh



B.A., History and French, Lafayette College

M.A.L.D., Ph.D., International Relations, Fletcher School of Law and Diplomacy, Tufts University


  • Maritime History and Security
  • U.S. Foreign Policy
  • Strategic Competition
  • China’s Belt and Road Initiative and Maritime Silk Road
  • Indo-Pacific
  • Middle East
  • Geoeconomics and Geopolitics
  • Base Politics and U.S. Military Basing Abroad
  • Ethnonationalism
  • Iran, Turkey, Central Asia & the Caucasus


GEOFFREY F. GRESH is Professor of International Security Studies at the College of International Security Affairs (CISA), National Defense University in Washington, D.C. with a primary research focus on maritime affairs. He has also served as the Department Chair of International Security Studies (2016-2019) and as CISA’s Director of the South and Central Asia Security Studies Program (2014-2016).

Previously, he was a Visiting Fellow at Sciences Po in Paris and was the recipient of a Dwight D. Eisenhower/Clifford Roberts Fellowship. He also received a U.S. Fulbright-Hays Grant to teach international relations at Salahaddin University in Erbil, Iraq. He has been awarded a Rotary Ambassadorial Scholarship to Istanbul, Turkey and a Presidential Scholarship at the American University in Cairo, Egypt. Most recently, he was named as a Hitachi-CFR International Affairs Fellow, a U.S.-Japan Foundation Leadership Fellow, an Associate Member of the Corbett Centre for Maritime Policy Studies at King’s College in London, and as a term member to the Council on Foreign Relations.

He is the author of Gulf Security and the U.S. Military: Regime Survival and the Politics of Basing (Stanford University Press, 2015), editor of Eurasia’s Maritime Rise and Global Security: From the Indian Ocean to Pacific Asia and the Arctic (Palgrave Macmillan, 2018) and co-editor of U.S. Foreign Policy in the Middle East: From American Missionaries to the Islamic State (Routledge, 2019). His forthcoming book, To Rule Eurasia's Waves: The New Great Power Competition at Sea (Yale University Press) is due out in the Fall of 2020, including a Chinese-language version in 2021. His research has also appeared in such scholarly or peer reviewed publications as World Affairs Journal, Gulf Affairs, Sociology of Islam, Caucasian Review of International Affairs, Iran and the Caucasus, The Fletcher Forum of World Affairs, Turkish Policy Quarterly, Central Asia and the Caucasus, Insight Turkey, Al-Nakhlah, War on the Rocks, and Foreign Policy. He has a working command of French, German, Spanish, Arabic, and Turkish. He received a Ph.D. in International Relations and MALD from The Fletcher School of Law and Diplomacy at Tufts University.