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John R. Deni, PhD

International Security Scholar, Leader, Educator, and Author

Latest Publications

Coalition of the unWilling cover.jpg

Why does the United States need European allies, and why is it getting more difficult for those allies to partner with Washington in standing up to China, pushing back against Russia, and pursuing other common interests around the world? This book addresses the economic, demographic, political, and military trends that are fundamentally upending the ability and willingness of European allies to work with Washington.


With Washington’s latest tranche of funding, Ukraine should survive through 2024. But while Europeans have done a lot, they need to pick up the slack and do more for Ukraine militarily. With U.S. support, Europe can overcome the hurdles.


NATO Allies are in the process of a dramatic change to the Alliance’s force structure. This new NATO Force Model faces a variety of challenges. To avoid the potential pitfalls and ensure the Alliance fulfils its own vision, NATO and its member nations ought to consider an array of mitigating steps, such as using snap exercises and inspection visits to ensure forces are indeed manned, trained and equipped, and emphasizing mass and capacity in Allied acquisition plans and capability targets.


Professional Bio

Dr. John R. Deni is a Research Professor of Security Studies at the U.S. Army War College's Strategic Studies Institute, a Nonresident Senior Fellow at the Atlantic Council, an Associate Fellow at the NATO Defence College, and an Adjunct Professorial Lecturer at American University's School of International Service.

He builds, leads, and manages collaborative multinational project teams, solves problems for customers and stakeholders, and advises senior civilian and military leaders.


His work has appeared in the Wall Street Journal, the L.A. Times, the Washington Post, Foreign Policy, Politico, Defense News, CNN, NPR's Weekend Edition, Newsweek, the Baltimore Sun, War on the Rocks, and a variety of peer-reviewed journals. He is the author of three books on European and American security and the editor or co-editor of six more.

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