Kathleen Carley is a professor of organizational sociology at Carnegie Mellon University in Pittsburgh. Among her areas of study is the use of social networks

Glenn Shuck is an assistant professor in the religion department at Williams College in Williamstown, Mass. He has said that the trend of tweeting and using other social networks during religious services is likely to grow, especially among emerging churches.

Stephen O’Leary is an associate professor of communication at the University of Southern California in Los Angeles. He wrote a chapter, “Cyberspace as Sacred Space: Communicating Religion on Computer Networks,” for the book Religion Online: Finding Faith on the Internet.

Glen Moriarty is an assistant professor of psychology and counseling at Regent University in Virginia Beach, Va. He wrote an article about Christian social networking for the Journal of Religion and Popular Culture.

Wendy Griffin is a professor emerita at California State University, Long Beach. She wrote a chapter, “The Goddess Net,” for the book Religion Online: Finding Faith on the Internet.

Chris Forbes is author of the e-book Facebook for Pastors and hosts a Facebook page of the same name. He is the founder of Ministry Marketing Coach and lives in Oklahoma City, Okla.

Sybil W. Coleman is a professor of social work 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.”

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.”