Paul Koch is an economics professor at Olivet Nazarene University in Bourbonnais, Ill. He has written and presented on Christianity and economics.

James Halteman is the Carl R. Hendrickson Professor of Business and Economics at Wheaton College in suburban Chicago. His work emphasizes the dimension of moral reflection in economics.

M. Kabir Hassan is associate professor and associate chair of the department of economics and finance at the University of New Orleans. He spoke at a 2009 conference on Islamic finance and financial resilience.

Marybeth Whalen, along with her husband Curt, wrote the 2009 book Learning to Live Financially Free, based on their own financial mistakes. Contact the Charlotte, N.C., couple through publicist Leslie Paladino at their Grand Rapids, Mich., publisher, Kregel Publishing.

David Mustard is an associate professor of economics at the University of Georgia in Athens, and his economic research is frequently cited in the media. He serves on the executive board of the Association of Christian Economists.

Kenneth Elzinga is Robert C. Taylor Professor of Economics at the University of Virginia. His past research interests include religion and economics.

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.