Mark A. Yarhouse (PsyD, Wheaton College) is the Dr. Arthur P. Rech and Mrs. Jean May Rech Endowed Chair and professor of psychology at Wheaton College, where he directs the Sexual and Gender Identity (SGI) Institute. He is a licensed clinical psychologist and author or coauthor of several books, including , , , and .
Julia A. Sadusky (PsyD, Regent University) is a licensed clinical psychologist and owner of Lux Counseling and Consulting, a private practice in Littleton, Colorado. She is a fellow of the Sexual and Gender Identity Institute at Wheaton College, an advisor for the Center for Faith, Sexuality and Gender, and an adjunct professor at Denver Seminary. She is the coauthor (with Mark Yarhouse) of .
