Kristen Mark, PhD, MPH is a sex and relationships researcher who has studied sexual pleasure and satisfaction in couples extensively. She has collected daily electronic response data from couples in multiple studies and has frequently examined the quality of sexual experience on an event-level. She was trained in sexual health behavior and biostatistics at Indiana University, home of the Kinsey Institute, where she is currently Affiliate Faculty. She is an Associate Professor in Health Promotion at University of Kentucky and Director of the Sexual Health Promotion Lab.