Thomas F. Farr, a former American diplomat, is Visiting Associate Professor of Religion and World Affairs in the Edmund A. Walsh School of Foreign Service. He is also Senior Fellow at the Berkley Center for Religion, Peace, and World Affairs where he directs the program on Religion and U.S. Foreign Policy and the Project on Religious Freedom.

Farr is a Senior Fellow at the Witherspoon Institute of Princeton, N.J., and chairs its task force on International Religious Freedom. He is a contributing editor for the Review of Faith and International Affairs, and blogs for the Washington Post's "On Faith" column, and for the American Principles Project.

During his career in the Foreign Service, Dr. Farr specialized in strategic military policy, political affairs, and religious freedom. During the Cold War he helped develop U.S. strategic nuclear policy, and was part of the U.S. negotiating team in the U.S.-Soviet arms control talks in Geneva.

In the 1990s he served in Germany and the State Departments Bureau of Intelligence and Research. In 1999 he became the first director of the State Department's office of international religious freedom. In that capacity he traveled worldwide to engage governments and religious actors on the subject of religious persecution and religious freedom.

Dr. Farr has taught history at the U.S. Military Academy and international relations at the U.S. Air Force Academy. He has written widely on America's international religious freedom policy and U.S. national security, as well as on the development of the Catholic doctrine of religious liberty.