Archbishop Thomas G. Wenski of Miami, Fla., has headed the U.S. Catholic Bishops’ International Policy Committee, which pressed for more action to stop the killings in Darfur.

John C. Danforth, an Episcopal priest and a former U.S. senator, has served as special envoy to Sudan under President Bush and also as U.S. ambassador to the United Nations from 2004-2005.

The Church of God of Prophecy in Cleveland, Tenn., has a global outreach program that works in Africa.

Bishop Joseph Campbell is with the Church of Christ (Holiness) USA in Jackson, Miss. The church has sent missionaries to Africa.

The Rev. Clyde Lanier is senior pastor of Westwood Missionary Baptist Church in Winter Haven, Fla. The church’s missionaries have helped spawn 200 churches in Kenya, and they continue to evangelize there.

The Rev. Dermot S. Roache is director of the Society of African Missions House of Studies in Dedham, Mass. The American province of the missionary group, based in Tenafly, N.J., has priests tending to the spiritual and social needs of Africans in 16 countries, including Liberia, Ghana, Kenya and Tanzania.

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 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.”