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People

Program Management

Director

The Judith Reppy Institute for Peace and Conflict Studies is directed by a member of the steering committee who serves a three-year term. The current director is:

Rebecca Slayton, Associate Professor, Department of Science & Technology Studies.

Associate Director

Sabrina Karim, Hardis Family Assistant Professor for Teaching Excellence. 

Steering Committee

Members of the steering committee assist the program director with oversight and management of the Reppy Institute. 

Directory

This directory includes contact information for faculty, staff members, Reppy fellows, and visitors associated with the institute.

Please note that only professional contact data is provided. In case of an emergency or should you need to reach a person listed outside of normal business hours, please refer to Cornell People Search for additional contact information. Choose from the categories below to view directory listings.

John L. Wetherill Professor
Sarah Kreps's teaching and research focus on the intersection of international politics, technology, and national security.
Affiliated Scholar

Yaro T. Kulchyckyj holds a Doctor of International Affairs and a Masters of International Public Policy degrees from the Johns Hopkins University School of Advanced International Studies (JHU-SAIS). He wrote his doctoral dissertation on U.S.

Reppy Fellow 2024-25

Dayra Lascano is a Ph.D. student in the Department of Government at Cornell University, specializing in International Relations with a minor focus on Comparative Politics.

Assistant Professor, Department of History

Ruth Lawlor teaches U.S. and global diplomatic and military history. Much of her work concerns the global history of the Second World War, but she also writes broadly about the laws of war, geopolitics and sexual violence.

PACS Steering Committee Member
Reppy Fellow 2023-24

Yulin Li is a student in the MA Historic Preservation Planning program. Her research focuses on the value of informal practice as a participator in urban development and collective memory and heritage for people’s everyday life.

Reppy Fellow 2024-25

Zhilin Lu is a first-year Ph.D. student in Cornell University’s government department. Her research focuses on US-China on AI governance and the intersection of emerging technologies such as AI and biotechnology with strategic stability and power shifts.

Professor, Government and Law
Reppy Fellow 2025-26

Lois Matthew is a PhD student in the Department of Government, specializing in comparative politics, with a minor in international relations and methods.

Reppy Institute Freeman Prize Winner 2023-24

Patrick J. Mehler is an M.S. candidate in Industrial and Labor Relations. He graduated with a B.S. with Honors in 2023.