Wesley Granberg-Michaelson is general secretary of the Reformed Church in America, with headquarters in Grand Rapids, Mich. In October 2005 he gave an address in New York City on the promise of Pentecostal Christianity and the need for mainline churches like his own to forge bonds with this burgeoning, global movement.

Donald A. Luidens, professor of sociology at Hope College in Holland, Mich. (affiliated with the Reformed Church in America), has followed the evolution of denominations and denominationalism in the U.S.

Richard Thompson is president and chief counsel of The Thomas More Law Center in Ann Arbor, Mich., which defended the Dover, Pa., district in a lawsuit that challenged its rules requiring the teaching of intelligent design in public schools.

Part of the Evangelical Free Church of America responsible for church planting. Operations divided into 17 districts which support 1,500 congregations across the United States. Based in Minneapolis, Minn.

Oversees church planting for the Souther Baptist Convention. The web site has information in two areas: The church-planting group, which trains, plans, supports and mentors church planters, and the church-planting “village,” an online resource area. 

Has offices in Lombard, Ill. and Roseville, Cali. Family of churches in the U.S. and Canada. Church planting is an emphasis.

Based in Colorado Springs, Colo. Claims membership of over 4 million people in 13,609 churches in 81 countries and territories including more than 2,000 churches in the United States. Contact Rev. William (Bill) W. Malick, director of church multiplication ministries.

An evangelical church committed to church planting and world missions based in Fort Wayne, Ind.

Has network of over 1,500 churches worldwide. They work alongside existing local churches to help reproduce and plant new Vineyard churches. Michael Gatlin is the national church planting director.