Dr. Kevin Leman is an internationally known Christian psychologist, speaker, and New York Times bestselling author of fifty books, including Have a New Kid by Friday, The Birth Order Book, and Making Your Children Mind without Losing Yours. A master communicator, Dr. Leman is a frequent guest on hundreds of radio and TV shows such as The View, Oprah, Today, Fox & Friends, and Focus on the Family. He and his wife, Sande, live in Tucson, Arizona. They are the parents of five children and two grandchildren.

Kathy Flores Bell was the cofounder of the Carondelet Health Network's Youth Sexuality Program, one of the nation's largest hospital-based chastity educational programs with an abstinence focus. Her work is now produced within Home Court Advantage, which is part of the John P. Bell Family Foundation. She and her husband, Michael, have four children and live in Tucson, Arizona.