Joel Gordon is a history professor at the University of Arkansas. He is an expert on religion and politics in the Arab world.

Mark D. Chapman teaches church history, Catholicism, ecclesiology and Anglicanism at the University of Oxford. Chapman researches Anglican theology and church history.

Lili M. Kim is Henry R. Luce Assistant Professor of History and Global Migrations at Hampshire College in Amherst, Mass. Her specialties include Asian-American history.

W. Anne Joh, assistant professor of theology at Phillips Theological Seminary in Tulsa, Okla., is co-chair of the American Academy of Religion’s Asian North American Religion, Culture and Society Group. Her research includes colonization and postcoloniality, race/racism and religion, gender/sexism/heterosexism and religion, and Asian-American history.

Janet Reitman is a contributing editor at Rolling Stone magazine, where she wrote an article on Scientology that was a finalist for a 2007 National Magazine Award. Reitman is also the author of Inside Scientology: The Story of America’s Most Secretive Religion.

Tat-siong Benny Liew, who is ordained in the Presbyterian Church (U.S.A.), is associate professor of New Testament at the Pacific School of Religion, Berkeley, Calif. His interests include Asian-American history and literature.

Scientology-lies.com works to discredit the Church of Scientology. It provides an overview of the Church and its members.

Operation Clambake works to discredit the Church of Scientology.

Factnet.org posts a Church of Scientology opposition page.