James D. Weinrich holds a Ph.D. in Biology from Harvard University and an M.A. in Psychology from San Diego State University. He has published widely in scientific journals, and is the editor of the Journal of Bisexuality. He won the Hugo Beigel Award for co-authoring the best paper published in the Journal of Sex Research—for work which is described in this book. In 2011, he received a Career Achievement award at the annual meeting of the Western Region of the Society for the Scientific Study of Sexuality.