Jaehyun Han

Research Associate for Data Analysis, iDeas Lab
Jaehyun Han

Jaehyun Han is a research associate for data analysis with the iDeas Lab at the Center for Strategic and International Studies (CSIS). In this role, she focuses on data-driven research covering a wide range of topics. Prior to joining CSIS full-time, Jaehyun was associated with a mission-driven venture capital firm, an education policy research center, a refugee resettlement nonprofit, the CSIS Korea Chair, and the Korea Chamber of Commerce and Industry. Jaehyun holds a BS in data analytics and international studies from the Ohio State University with a research distinction. Outside of her work at CSIS, she is pursuing an MS in analytics at the Georgia Institute of Technology.

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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

Charting 2024 through Data

CSIS experts offer insights on some of the most important issue areas shaping the world in 2024.

Digital Report by CSIS Scholars — March 19, 2024

What’s at Stake for Ukraine in the Senate Supplemental

As Russia’s war in Ukraine continues, U.S. assistance remains crucial. The Senate’s supplemental spending package provides over $64 billion in needed military, economic and humanitarian support to Ukraine. This commentary examines what’s at stake as Congress delays a vote.

Commentary by Elizabeth Hoffman, Shivani Vakharia, and Jaehyun Han — December 19, 2023

China Accelerates Construction of ‘Ro-Ro’ Vessels, with Potential Military Implications

Amid surging demand for Chinese-made vehicles, Chinese shipyards are gearing up to build record numbers of “roll on-roll off” (ro-ro) car transport ships. While they appear innocuous, China’s military has a record of using commercial ro-ros to enhance its capabilities. 

Commentary by Matthew P. Funaiole, Brian Hart, Jaehyun Han, and Jennifer Jun — October 11, 2023

The Past, Present, and Future of U.S. Assistance to Ukraine: A Deep Dive into the Data

Since Russia’s full-scale invasion of Ukraine in February 2022, Congress passed four spending packages, totaling $113 billion in economic, humanitarian, and military aid. This piece does a deep dive into what the United States has appropriated for Ukraine to date.

Critical Questions by Elizabeth Hoffman, Jaehyun Han, and Shivani Vakharia — September 26, 2023