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Grand strategy, Burden sharing, Foreign and defense policy, International security, and Ukraine-Russia

Christopher McCallion

Fellow

Christopher McCallion is a fellow at Defense Priorities.

McCallion focuses on issues in grand strategy, IR theory, U.S. foreign policy, and technological competition. His work has appeared in POLITICO, Newsweek, The National Interest, and CNN among others. He was formerly an adjunct lecturer in political science at Hunter College, City University of New York, and holds an MSc in Theory and History of International Relations from the London School of Economics and Political Science.

In the mediaUkraine‑Russia, Europe and Eurasia, Land power, Military analysis, Russia, Ukraine

Russia expulsion of Ukrainian forces from Kursk removes hurdle to peace

Featuring Christopher McCallion

April 28, 2025

Some analysts say Russia’s accelerated advance, mainly in eastern Ukraine, was aided by the diversion of Kyiv’s forces to Kursk. […]

op-edIsrael‑Hamas, Israel, Middle East

Trump deserves blame for Gaza ceasefire breakdown

By Christopher McCallion

March 19, 2025

ExplainerGrand strategy, Alliances, Balance of power, Burden sharing

Grand strategy: The limits of military force

By Christopher McCallion

March 18, 2025

More from Christopher McCallion

In the mediaUkraine‑Russia, Europe and Eurasia, Land power, Military analysis, Russia, Ukraine

Russia expulsion of Ukrainian forces from Kursk removes hurdle to peace

Featuring Christopher McCallion

April 28, 2025

op-edIsrael‑Hamas, Israel, Middle East

Trump deserves blame for Gaza ceasefire breakdown

By Christopher McCallion

March 19, 2025

ExplainerGrand strategy, Alliances, Balance of power, Burden sharing

Grand strategy: The limits of military force

By Christopher McCallion

March 18, 2025

op-edUkraine‑Russia, Europe and Eurasia, Russia, Ukraine

Ukraine mineral agreement is a bad deal for Trump

By Christopher McCallion

February 27, 2025

op-edUkraine‑Russia, Europe and Eurasia, Russia, Ukraine

Will Trump’s Zelensky spat undermine the realist cause?

By Christopher McCallion

February 20, 2025

op-edUkraine‑Russia, Alliances, Burden sharing, Europe and Eurasia, NATO, Russia, Ukraine

Armed Neutrality for Ukraine Is NATO’s Least Poor Option

By Christopher McCallion and Jennifer Kavanagh

February 18, 2025

Christopher McCallion Past Virtual Events

virtualMiddle East, Basing and force posture, Diplomacy, Houthis, Iran, Iraq, Israel, Israel‑Hamas, Military analysis, Syria

Past Virtual Event: Trump in the Middle East: Impacts, implications, and alternatives

May 16, 2025
virtualUkraine‑Russia, Air power, Diplomacy, Drones, Europe and Eurasia, Land power, Military analysis, Russia, Ukraine

Past Virtual Event: Ukraine’s critical choice: Pursue peace or fight on

April 16, 2025
virtualUkraine‑Russia, Europe and Eurasia, Russia, Ukraine

Past Virtual Event: Trump and Ukraine: Prolonging or ending the war

December 13, 2024
virtualNATO, Alliances, Europe and Eurasia, Russia, Ukraine, Ukraine‑Russia

Past Virtual Event: A ‘bridge’ to NATO or false hope for Ukraine?

July 12, 2024
virtualNATO, Europe and Eurasia, Russia, Ukraine

Past Virtual Event: Reexamining the U.S. role in European security

May 3, 2024
virtualAsia, China, Grand strategy, Taiwan

Past Virtual Event: Are semiconductors a reason to defend Taiwan?

November 17, 2022

Christopher McCallion Featured Symposia

symposiumNATO, Alliances

Antique alliance: Rethinking NATO at 75

July 2, 2024

symposiumGrand strategy

Realistic recommendations for Trump II

January 13, 2025