Henry Ziemer

Associate Fellow, Americas Program
Henry Ziemer

Henry Ziemer is an associate fellow with the Americas Program at the Center for Strategic and International Studies (CSIS) in Washington, D.C. His research focuses on geopolitical competition, organized crime, and emerging technologies in the Americas. He has led investigations into China’s use of ports as levers of geopolitical influence, the use of drones by organized crime, and U.S. defense priorities in the Western Hemisphere. He has testified before the U.S.-China Economic Security and Review Commission and his writing and analysis have been featured in Foreign Affairs, Foreign Policy, the Financial Times, and War on the Rocks. Before joining CSIS, he worked as a United States researcher at the Armed Conflict Location and Event Data Project (ACLED). Mr. Ziemer holds a BA in global affairs and history from Yale University.

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Panama Kicked Out Hutchison, but Port Risks Remain

A new Risk Index shows China’s influence over key ports in Latin America and the Caribbean would increase if Chinese-owned COSCO gained a stake in the remaining ports.

Analysis by Henry Ziemer, Jaehyun Han, and Aidan Powers-Riggs — February 2, 2026

The United States Needs a Southwest Drone Wall

CSIS Americas associate fellow Henry Ziemer argues the United States needs to do more to secure the southwest land border against illicit drones.

Commentary by Henry Ziemer — December 16, 2025

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The United States Needs a Southwest Drone Wall

An audio version of “⁠The United States Needs a Southwest Drone Wall⁠,” a new Commentary by CSIS’s Henry Ziemer. This audio was generated with text-to-speech by Eleven Labs.

Podcast Episode by Henry Ziemer — December 16, 2025

Audio Briefs