Pamela Regan is Professor of Psychology at California State University, Los Angeles. She received her Ph.D. in psychology from the University of Minnesota and her undergraduate degree in English from Williams College. Her research interests are in the areas of close relationships and human sexuality, with an emphasis on passionate love, sexual desire, and mate preference. She has published more than 100 journal articles, book chapters, and reviews (and has given over 75 professional presentations) on the dynamics of sex, love, and human mating, and she is the author of Close Relationships (Routledge, 2011), the co-author (with Ellen Berscheid) of The Psychology of Interpersonal Relationships (Pearson, 2005) and Lust: What We Know About Human Sexual Desire (Sage, 1999), and the co-author (with Bruce King) of Human Sexuality Today (Pearson, 2014). In 2007, she was honored with the Outstanding Professor Award by her university for excellence in instruction and professional achievement.