Dr. Lobo, formerly Rappleye Professor and Chair of the Department of Obstetrics and Gynecology, and Director of the Center for Reproductive Sciences, Columbia University, has done extensive research in various areas of reproductive endocrinology and infertility including estrogen metabolism and menopause. Dr. Lobo has a primary interest in hyperandrogenic disorders and polycystic ovary syndrome. He frequently serves as editor for peer-review journals and has authored over 300 articles and 16 books.