The American Islamic Congress was founded after the Sept. 11, 2001, attacks and works to fight steroetypes about Islam and battle extremism and terrorism. It runs programs in the U.S. and overseas. Zainab Al-Suwaij is executive director.

Johanna Birnir is an associate professor of government and politics at the University of Maryland in College Park, as well as a researcher at the National Consortium for the Study of Terrorism and Responses to Terrorism. She is an expert on terrorism and society.

Farah Pandith is an adjunct senior fellow at the Council on Foreign Relations in Washington, where she is an expert on the Islamic State group and its efforts to recruit young Muslims. She is writing a book on extremism. Contact via her research assistant, Zach Shapiro.

Angel Rabasa is a senior political analyst for the Rand Corp. in Washington. He has written widely on Islamic extremism in Turkey, India, East Africa and Southeast Asia. Contact via Rand’s Office of Media Relations.

Alyssa Ayres is a senior fellow at the Council on Foreign Relations and an expert on religious extremism in Bangladesh. She testified about religious extremism in Bangladesh before Congress. Contact via her research associate, Ashlyn Anderson.

Thomas Farr is president emeritus of the Religious Freedom Institute in Washington, D.C. Farr is the former director of the U.S. Department of State’s Office of International Religious Freedom and the Witherspoon Institute’s International Religious Freedom Task Force. Arrange an interview through Nathan Berkeley.

Julian Zelizer is a professor of history and public affairs at Princeton University in Princeton, N.J. He is an American political historian and the author of the 2010 biography Jimmy Carter.

Peter Bourne is a visiting senior research fellow at the University of Oxford in Oxford, England. He worked previously as an assistant secretary-general of the United Nations and is the author of the 1997 book Jimmy Carter: A Comprehensive Biography from Plains to Post-Presidency.