In Brief
The mission of the Department of Homeland Security is to secure the country and respond to all national disasters. Among the major components of the department are the Transportation Security Administration, the Federal Emergency Management Agency, U.S. Immigration and Customs Enforcement and the U.S. Secret Service.
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Featured Experts

Director of Research, Center on the United States and Europe
Jeremy Shapiro is an expert on civil-military relations, Europe, France, military operations and National Security, and was previously a political and defense analyst at the RAND Corporation. In June and July 2009, Shapiro served on a civilian assessment team in Afghanistan, contributing to U.S. commander Gen. Stanley McChrystal's strategic review process.
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Senior Fellow, Metropolitan Policy Program
Demographer Audrey Singer is an expert on international migration, race and ethnicity, U.S. immigration policy, and demographic trends in metropolitan areas.
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Nonresident Senior Fellow, Foreign Policy
Abe Lowenthal is the first Robert F. Erburu Professor of Ethics, Globalization and Development at the University of Southern California, where he is also a professor of international relations. Founding president of the Pacific Council on International Policy, Lowenthal is currently the organization’s president emeritus and a senior fellow. He is internationally recognized as a leading authority on Latin America.
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