Sue Muldoon is a therapist and religious educator who has worked in clinical, collegiate, and parish settings. Her clinical work has focused on young adults and children. She worked for many years in college counseling at Saint Vincent College and Saint Francis University, and she has worked as director of religious education for Good Shepherd Parish in Wayland, Massachusetts. Muldoon is the coauthor, with her husband, Tim, of Six Sacred Rules for Families and participated in the video production of Joined by Grace, the new marriage preparation program from Ave Maria Press. She and Tim have three children.