Harrison Prétat

Deputy Director and Fellow, Asia Maritime Transparency Initiative
Harrison Prétat

Harrison Prétat is deputy director and fellow with the Asia Maritime Transparency Initiative at the Center for Strategic and International Studies (CSIS). His research focuses on maritime disputes, grey zone coercion, and challenges to the rules-based international maritime order. He is an expert in the use of commercial satellite imagery and remote sensing tools for geopolitical analysis and writes and speaks regularly on the South China Sea disputes, maritime security in the Indo-Pacific, freedom of navigation, U.S.-China relations, and seabed mining. His analysis has been featured in the New York Times, Washington Post, Wall Street Journal, BBC, CNN, Reuters, AP, and other major media outlets. He holds an MA in international relations from Syracuse University.

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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

Sixteenth Annual South China Sea Conference

This full-day conference will feature keynote addresses and in-depth panel discussions on recent developments in disputed waters and the importance of the 10-year anniversary of the landmark South China Sea arbitration.

Event — July 7, 2026

The Strait of Hormuz in 8 Charts

As the standoff over the Strait of Hormuz drags on, new vessel-tracking and trade data reveal the state of play in the strait and explore how the crisis is rattling global markets.

Commentary by Matthew P. Funaiole, Harrison Prétat, Aidan Powers-Riggs, and Jasper Verschuur — April 22, 2026

No One, Not Even Beijing, Is Getting Through the Strait of Hormuz

As war chokes off traffic through the Strait of Hormuz, Chinese ships are not getting special treatment. New ship-tracking data shows Chinese vessels have largely halted transits, underscoring Beijing’s exposure to instability in a region critical to its energy security.

Commentary by Harrison Prétat, Monica Sato, Aidan Powers-Riggs, and Matthew P. Funaiole — March 6, 2026

Audio Briefs

No One, Not Even Beijing, Is Getting Through the Strait of Hormuz

An audio version of “⁠No One, Not Even Beijing, Is Getting Through the Strait of Hormuz⁠,” a new Commentary by Harrison Prétat, Monica Sato, Aidan Powers-Riggs, and Matthew P. Funaiole. This audio was generated with text-to-speech by Eleven Labs.

Podcast Episode by Harrison Prétat, Monica Sato, Aidan Powers-Riggs, and Matthew P. Funaiole — March 6, 2026

Audio Briefs

Inaugural Manila Strategy Forum

The Southeast Asia Program is pleased to present the inaugural Manila Strategy Forum, bringing together leading experts from the Philippines and the United States to discuss some of our most pressing regional and global challenges.

Event — September 9, 2025

Audio Briefs

The Risks of U.S. Deep-Sea Mining

An audio version of “⁠The Risks of U.S. Deep-Sea Mining⁠,” a new Commentary by CSIS’s Harrison Prétat and Monica Sato. This audio was generated with text-to-speech by Eleven Labs. 

Podcast Episode by Harrison Prétat and Monica Sato — August 26, 2025

Audio Briefs

The Risks of U.S. Deep-Sea Mining

The United States has begun taking steps to secure its access to seabed minerals. But U.S. unilateral mining on the high seas poses grave risks to the rules-based regional order.

Commentary by Harrison Prétat and Monica Sato — August 26, 2025