• Saddleback Church in Lake Forest, Calif., has an HIV/AIDS initiative to bring churches together to help stop the spread of HIV and AIDS globally. Contact initiative founder Kay Warren.

The Rev. Jonathan Bonk is executive director of Overseas Ministries Study Center in New Haven, Conn., a renewal center for missionaries of all Christian denominations. He is the project director of the Dictionary of African Christian Biography and editor of the International Bulletin of Missionary Research.

Read a March 27, 2013, article from Christianity Today, “Is Coptic Evangelism in Africa Really on the Rise?”

Read a June 29, 2005, Christian Science Monitor story about U.S. churches addressing poverty in Africa.

Read the July 6, 2005, Washington Times article “Christian groups unite against worst African ills.”

The Islamic Center of America in Dearborn, Mich., claims to be the largest mosque in the U.S. It is a Shiite mosque, and its congregation is predominantly Arab. Contact Imam Sayed Hassan Al-Qazwini.

Marcia Hermansen is director of the Islamic World Studies Program and a professor in the theology department at Loyola University Chicago. She is an expert on Islamic spirituality and Sufism.

The Islamic Center of Mississippi is located in Starkville and serves a diverse groups of residents.

Karim was an assistant professor in the department of philosophy and religious studies at Spelman College in Atlanta. She was reared in an African-American Muslim community. Her expertise is on race, gender and Islam; younger Muslims in the U.S.; and connections and tensions among African-American Muslims and immigrant Muslims in the U.S.