Professor Willoughby has published over 50 peer-reviewed articles and book chapters on these topics, currently serves on the editorial board for four journals, and was elected as a full member of the International Academy of Sex Research. In addition to teaching several classes at BYU, Professor Willoughby often appears on media and news outlets to share his research and expertise. Professor Willoughby has been married to his wife Cassi for 15 years and together they have four children.