Interdisciplinary

Elisa Celis
Assistant Professor of Statistics and Data Science

Elisa Celis is an assistant professor in the Statistics & Data Science department at Yale University. She studies the manifestation of social and economic biases in our online lives via the algorithms that encode and perpetuate them. Her research leverages both experimental and theoretical approaches, and her work spans multiple disciplines including data science, machine learning, fairness in socio-technical systems and algorithm design.

At Yale she co-founded the Computation and Society Initiative.

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ISPS Director's Fellow, 2026

Alex William Chen is a sophomore in Morse College studying History and Political Science from West Chester, Pennsylvania. He is interested in the federalization of American citizenship and the recurrence of nativist cycles in the United States. On campus, Alex serves in the YCC as the Speaker of the Undergraduate Senate and works as a research assistant for Sterling Professor of History David Blight. Recently, he completed an internship with the U.S. House Committee on Homeland Security (119th, Minority) where he focused on immigration policies.

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Dahl Scholar, 2025-2026

Ethan Chiu is a BA/MPP student at Yale University studying Global Affairs and History, with a passion for technology, national security, and industrial policy. He was most recently a fellow on the House Select Committee on the Chinese Communist Party and Red Cell Partners. Previously, he served as a Director’s Fellow at the Yale Digital Ethics Center, where he researched the evolution of labor conditions in American, Taiwanese, Japanese, and German semiconductor supply chains from the 1960s to the present. He also worked as a research program manager for Dr.

Justin Farrell
Professor of Sociology

Justin Farrell is a professor and author at Yale University, School of the Environment.

He studies culture and environment, with a focus on social class, moral conflict, and epistemology. He blends ethnographic fieldwork in rural communities with large-scale computational techniques from network science and machine learning. 

Dahl Scholar, 2025-2026

Sabbi Gale-Donnelly (she/they) is a third-year who studies Philosophy and Comparative Literature. She focuses in part on how theories of language can be utilized to measure the strength of, and effectively bolster, systems of governance. Sabbi has worked in government at the state and federal level, including most recently as an intern to the office of U.S. Senator Gillibrand, where she developed recommendations for the improvement of health insurance accessibility for long-term vector-borne disease patients.

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ISPS Director's Fellow, 2026

Birikti Kahsai is a junior in Branford double majoring in Black Studies and History. She is interested in housing policy and particularly in the creation of more robust tenant protections at the local and federal level. On campus, Birikti serves on the boards of the Black Student Alliance, Branford College Council, and Urban Improvement Corps.

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