Gregory Krohn teaches religion and economics at Bucknell University in Lewisburg, Pa.

Robert Black teaches economics at Houghton College in Houghton, N.Y. He has written about Christian principles in economics.

The Greater Boston Interfaith Organization is a collection of multiple congregations and faith leaders working to overcome divisions of race and social class in Boston. Contact Larry Gordon, the lead organizer.

Bruce Webb teaches macroeconomics and Christian teaching on economics and the economy at Gordon College in Wenham, Mass.

Ibrahim Warde teaches Islamic banking and finance at Tufts University in Boston.

Isam Salah heads Islamic finance and investment at the New York law firm King & Spalding.

Radio and TV personality Dave Ramsey is the author of The Total Money Makeover, among other books, and founder of Financial Peace University, a financial education program that churches and other groups use. Contact him through media relations.