Henry Ziemer

Fellow, Americas Program
Henry Ziemer

Henry Ziemer is a 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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What Does the Greenland Deal Mean for North American Security?

CSIS experts examine the September 22 update to the Defense of Greenland agreement and what it means for Greenland, Denmark, the United States, and Canada amid renewed tensions.

Critical Questions by Christopher Hernandez-Roy, Alex Dalziel, Henry Ziemer, and Otto Svendsen — September 30, 2026

Paraguay’s Next Development Chapter

Paraguay today has the potential to transform its development story, but it will require close cooperation with international partners to make the best use of its advantages. 

Commentary by Juliana Rubio and Henry Ziemer — September 18, 2026

35 West

An Update on U.S.-Mexico Firearms Trafficking

In this episode, Henry Ziemer sits down with Jake Steisel, Senior Staff Attorney at Global Action on Gun Violence, to analyze trends in U.S. firearms trafficking dynamics.

Podcast Episode by Henry Ziemer — September 17, 2026

CSIS 35 West

Manila Strategy Forum 2026

The Southeast Asia Program at the Center for Strategic and International Studies, in collaboration with Amador Research Services, is pleased to announce that the 2026 Manila Strategy Forum.
 

Event — September 9, 2026

Nicaragua’s Dictatorship Deepens: What Can the International Community Do?

CSIS Americas Program experts evaluate next steps for the United States and the international community amid further authoritarian consolidation by the Ortega-Murillo regime in Nicaragua.

Critical Questions by Christopher Hernandez-Roy, Henry Ziemer, Kaela Werchniak, and Antonella Navarro — September 4, 2026

Audio Briefs

Autonomy and Affordable Mass in Latin America and the Caribbean

An audio version of "⁠Autonomy and Affordable Mass in Latin America and the Caribbean⁠," a new commentary by CSIS’s Henry Ziemer. This audio was generated with text-to-speech by Eleven Labs.

Podcast Episode by Henry Ziemer — July 30, 2026

Audio Briefs
Audio Briefs

Venezuela Suffered Its Worst Earthquake in Decades: What Comes Next?

An audio version of  "⁠Venezuela Suffered Its Worst Earthquake in Decades: What Comes Next?⁠," a new commentary by CSIS’s by Henry Ziemer and Joseph Ruelas. This audio was generated with text-to-speech by Eleven Labs. 

Podcast Episode by Henry Ziemer — June 26, 2026

Audio Briefs

Venezuela Suffered Its Worst Earthquake in Decades: What Comes Next?

Two powerful earthquakes, measuring 7.2 and 7.5 on the Richter scale, recently struck along the coast of Venezuela. The international response will be a major test of U.S. leadership and Washington's new relationship with Caracas.

Critical Questions by Henry Ziemer and Joseph Ruelas — June 26, 2026

Three Nations, One Table: North American Agriculture under USMCA

Join the Americas Program for a conference on USMCA and the future of North American food and agriculture. Experts will discuss food affordability, the successes and challenges of agricultural integration, and the risks that broader trade tensions pose to the agreement’s agricultural framework ahead of the 2026 review.

Event — June 24, 2026