Robert Taylor Segraves, M.D., Ph.D., a widely cited expert in the field of sexual behavior, is a well-published author of several books on the subjects of mental health, behavior and marital therapy, and sexual dysfunction, including Emerging Dimensions in Sexology and Diagnosis and Treatment of Erectile Dysfunction. He is a past president of the Society for Sex Therapy and Research and has served as editor of the Journal of Sex and Marital Therapy since 1998. He is Professor of Psychiatry at Case Western Reserve University and Chairperson of Psychiatry at MetroHealth Medical Center in Cleveland, Ohio. His articles have been published in the Archives of Sexual Behavior, Modern Medicine, Journal of Urology, JAMA, and the Journal of Sex and Marital Therapy.