Aaron Y. Zelin

Emerging Terrorist Threats and Trends

August 19, 2025
Tricia Bacon, Nathaniel Powell, Aaron Y. Zelin, Amira Jadoon, and Bruce Hoffman
Emerging Terrorist Threats and Trends

The Patient Efforts Behind Hayat Tahrir al-Sham’s Success in Aleppo

December 3, 2024
Aaron Y. Zelin
The Patient Efforts Behind Hayat Tahrir al-Sham’s Success in Aleppo

A Globally Integrated Islamic State

July 15, 2024
Aaron Y. Zelin
A Globally Integrated Islamic State

Mission Unaccomplished: The Tweet that Upended Trump’s Counterterrorism and Iran Policies

December 25, 2018
Matthew Levitt and Aaron Y. Zelin
Mission Unaccomplished: The Tweet that Upended Trump’s Counterterrorism and Iran Policies

What AQAP’s Operations Reveal about Its Strategy in Yemen

April 23, 2015
Aaron Y. Zelin and Patrick Hoover
What AQAP’s Operations Reveal about Its Strategy in Yemen

Inside Baseball on Syrian Rebel Infighting

February 7, 2014
Aaron Y. Zelin
Inside Baseball on Syrian Rebel Infighting