Founder and president of the National Abstinence Clearinghouse, based in Sioux Falls, S.D.

President and founder of the nonprofit Institute for Youth Development, which promotes a risk avoidance message that includes sexual abstinence.

William G. Ross is a law professor at Samford University in Birmingham, Ala. He has written on religion, law and education. He is an expert of judicial ethics, and his work on judicial ethics has been sighted in several federal court decisions.

Offers research and more at its Web site. Valerie Huber is executive director.

Kent Greenawalt is a professor at Columbia Law School in New York City. He is the author of publications on church and state issues. He is the author of Religious Conviction and Political Choice (1991).

An obstetrician/gynecologist, is founder and chairman of the nonprofit Medical Institute for Sexual Health, which worked on pro-abstinence programs with the Bush administration and faith-based groups.

W. George Scarlett is assistant professor of child development at Tufts University in Medford, Mass. He was an editor of the Encyclopedia of Spiritual Development in Childhood and Adolescence.

Kevin Alan Lewis is an associate professor of theology and law at Biola University in La Mirada, Calif.

Lynne Marie Kohm is John Brown McCarty Professor of Family Law at Regent University School of Law in Virginia Beach, Va. Kohm describes herself as “dedicated to family restoration through the application of Christian legal principles.” She also has a blog called Family Restoration.