Faith Communities and Urban Families Project published a 2003 research project conducted by the Morehouse College Leadership Center among residents of low-income housing projects and congregations in Indianapolis, Denver, Camden and Hartford.

Don Mueller is part of a house church in Cedaredge, Colo.

Jon Dale is an entrepreneur and father of three who left a 10,000-plus-member megachurch for house churches in 2001. He blogs at Simply Church and is located outside Colorado Springs, Colo.

Mike Dowgiewicz is part of Restoration Ministries International, a nonprofit that assists groups in forming and supporting house churches. He and his wife have traveled to Israel to research the first house churches. He lives in Colorado Springs, Colo.

Matthew L. Harris is associate professor of history and director of the graduate program in history at Colorado State University-Pueblo. He co-edited The Founding Fathers and the Debate Over Religion in Revolutionary America.

D. Allan Karr is director of the Nehemiah Project in church planting, a joint venture of the North American Mission Board and Golden Gate Baptist Theological Seminary, where he is an associate professor of church planting. He lives in Denver.

The Rebuilders is a resource ministry for planting first-century-style worship in home churches. It is run by Milt Rodriguez and is based in Cedaredge, Colo.

Albert Hernández teaches the history of Christianity at Iliff School of Theology in Denver. His interests include Latino/a theologies.

Miguel A. De La Torre teaches social ethics at Iliff School of Theology in Denver, where he directs the school’s Justice and Peace Institute. Issues he can discuss include religion’s effects on class/race/gender oppression, Santeria, Cuba and liberation theology. His numerous books include, as co-editor, Rethinking Latino(a) Religion and Identity and Handbook of Latina/o Theologies.