Judy Landrieu Klein is a Catholic author, speaker, theologian, counselor, and founder of Memorare Ministries. She works with her husband, Mark Gelis, at My Father's House Counseling Services. Klein received a master's degree in theological studies from the University of Dallas in 2000 and conducted post-graduate doctoral studies in bioethics at the Regina Apostolorum Pontifical Athanaeum in Rome. Certified as a temperament counselor by the National Christian Counselors Association, Klein is earned her doctorate in clinical Christian counseling in 2018. She served as an adjunct professor of theology at Our Lady of Holy Cross College in New Orleans for seven years.
Klein's books include Mary's Way, Living Water, Sez Who, and Miracle Man. She has written for Catholic Digest and blogs at CatholicMom.com and Aleteia. She served as cohost of Radio Maria's Apologetics Live program for more than four years. Additionally, she has appeared on EWTN's Women of Grace and Focus Worldwide Television's Focus. Klein has been the featured speaker at many faith-based events, including Magnificat Women's Breakfasts, Legatus dinners, and Theology on Tap meetings.