The National Center to Encourage Judaism encourages retention in Judaism and conversion.  

Rabbi Ephraim Buchwald is founder of the National Jewish Outreach Program, which tries to keep Jews engaged in Jewish life, particularly when the cause was assimilation or lack of Jewish knowledge. It sponsors the annual Shabbat Across America program.

Thomas Cahill, an Irish Catholic, is author of How the Irish Saved Civilization (Anchor, 1996) and served for a time as the North American education correspondent for the Times of London.

Lawrence J. McCaffrey is author of The Irish-Catholic Diaspora in America (Catholic University of America Press, 1998) and professor emeritus of history at Loyola University in Chicago.

John T. McGreevy is a respected historian of U.S. Catholicism. He is history professor and dean of Notre Dame’s College of Arts and Letters at Notre Dame University in Indiana.

James O’Toole is a history professor at Boston College who specializes in American Catholic history and popular devotional practices.

Ruud Peters is professor of Arabic law and culture at the University of Amsterdam.  His research includes several books on Egyptian Islamic law.

Gary R. Bunt is a scholar that specializes in topics relating to Islam, Muslims and the media; Islamic philosophy of law; Muslims in the U.K.; ritual and performance; religious and political authority. He is the author of Islam in the Digital Age. He writes a blog and maintains a website at Virtually Islamic.

Dr. McLoughlin is a senior lecturer in religion, anthropology and Islam at the University of Leeds.  He researches theology, religion and the Middle East.