General

The primary mission of the Department of Population Health Sciences is to conduct research and evaluations related to key healthcare policy and delivery topics, developing and spreading critical evidence to improve the health of populations. Our faculty members have substantial research strengths across various areas, including healthcare policy and economics, data analytics and informatics, epidemiology, and health outcomes. Their innovative, quantitative, and qualitative research addresses the effectiveness, cost-effectiveness, and comparative effectiveness of various healthcare interventions and delivery models.

Current Research Highlights

HIAI Seminar: Learning Without Revealing: Lifecycle Privacy for Biomedical AI

August 24, 2026

The Division of Health Informatics and Artificial Intelligence is excited to host Dr. Li Xiong, Samuel Candler Dobbs Professor of Computer Science and Professor of Biomedical Informatics at Emory University. This event will take place on August 28 at 3:00 PM.
Click here to register for the seminar.
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Highlights

Suicide Risk Models Are Ready — Our Health Systems Are Not

August 24, 2026

In 2024, suicide claimed 48,824 lives in the US. Effective prevention depends on identifying risk accurately, and risk detection improves when model-based prediction is paired with structured assessment. In one study, pairing...

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Highlights
Photos of Dr. Yunyu Xiao, a patient and doctor, and a data system

New Faculty Q&A with Dr. Jiheum Park

August 20, 2026

Dr. Jiheum Park is an assistant professor of population health sciences in the Division of Health Informatics and Artificial Intelligence. She joins Weill Cornell Medicine from Columbia University, where she was an assistant professor in the Division of General Medicine. 

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Highlights

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Population Health Sciences 575 Lexington Avenue | 425 E. 61st Street, 3rd Floor New York, NY Phone: (646) 962-8001

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