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School of International Service, PhD

SIS Building Exterior

Degree Requirements

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PhD Alumna Kate Tennis receives her diploma at the 2017 SIS commencement ceremony

2017 Commencement

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Professor Sharon Weiner

Director's Welcome

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SIS Building Exterior with Cherry Blossoms

News & Events

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SIS Alum Tom Long

Thomas Long successfully defended his dissertation "Convincing the Colossus: Latin American Leaders Face the United States" in July 2013.

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Doctor of Philosophy (PhD) in International Relations

The PhD program at American University's School of International Service (SIS) trains students to produce knowledge in order to engage with, contribute to, or solve puzzles and problems in international affairs. The curriculum provides training in international relations that is both multi-disciplinary and policy relevant and which enables our graduates to go on to careers in university teaching and research, government, and non-government organizations in the United States as well as around the globe.


Contact the PhD Program Coordinator, at 202-885-6582 or

We encourage prospective candidates to visit the University to meet faculty members and current PhD students. To arrange a visit, contact Graduate Admissions at 202-885-1646 or