Helen Berger is a retired professor emerita of sociology at West Chester University in West Chester, Pa. She is an expert on the neo-pagan community and has written about how teen witches in the U.S. and Australia use the Internet.

Bryan Auday is a professor of psychology at Gordon College in Wenham, Mass., and co-author of a 2009 study, “Pulling Off the Mask: The Impact of Social Networking Activities on Evangelical Christian College Students.”

Brian Anderson is a member of a house church in Sonora, Calif. He also runs a website, Great Commission House Churches.

Ken Cluck left traditional pastoral ministry to plant house churches. He runs a house church in Orofino, Idaho.

Frank Smith is the founder of Crushed Grapes Ministry, a church planting ministry that helps people start home churches. He lives in Vista, Calif.

Rick Horton is the lead pastor and elder of Matthew’s House, a network of Southern California house churches based in Oceanside, Calif.

Gayle Erwin publishes Servant Quarters, a newsletter and Web site that supports home churches. He is based in Cathedral City, Calif.

Roger Thoman is a former nondenominational church pastor who has been involved in house churches since 2002 and now helps plant new ones. He says it used to be that people who attended house churches were “bitter” about their experience in traditional churches, but that now people are joining house churches for more positive reasons, […]

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