Alan J. Hawkins is a professor of family life at Brigham Young University in Provo, Utah. He earned a doctorate in human development and family studies at Pennsylvania State University in 1990.

Katherine S. Spaht is professor emeritus in the Hebert Law Center at Louisiana State University in Baton Rouge. She is the author of Why Covenant Marriage May Prove Effective as a Response to the Culture of Divorce. She also is the author of several articles on covenant marriages.

Paul Amato is a professor of sociology, demography and family studies at Pennsylvania State University. His research interests include marital quality, the causes and consequences of divorce and subjective well-being over the life course.

Bradley Wright, a University of Connecticut sociologist, is the author of Christians Are Hate-Filled Hypocrites … and Other Lies You’ve Been Told (2010). He asserts that infidelity occurs less frequently among churchgoers.

W. Bradford Wilcox is director of the National Marriage Project at the University of Virginia. He is co-editor of When Marriage Disappears: The New Middle America and author of articles on domestic abuse in outlets such as The New York Times and The Wall Street Journal.

Elizabeth Marquardt is director of the Center for Marriage and Families at the Institute for American Values. She is co-editor of When Marriage Disappears: The New Middle America (2011) and author of Between Two Worlds: The Inner Lives of Children of Divorce.

David Kinnaman is president of the Barna Group, which conducts research on religious life within the United States and around the world.

William Frey, a senior demographer at the Brookings Institution, analyzed the census data showing that for the first time fewer than half of American households are headed by married couples.

Andrew J. Cherlin is a demographer at Johns Hopkins University who has commented on demographic data involving marriage and families.