Richard Berkowitz is Professor of Obstetrics and Gynecology, and Director of the Residency Program and Quality Improvement in the Department of Obstetrics and Gynecology of the Columbia University Medical Center. Prior to that, he was Professor and Chairman of the Department of Obstetrics, Gynecology and Reproductive Science at the Mount Sinai Medical Center for 18 years and director of its Division of Maternal-Fetal Medicine. In between post-graduate studies, Dr. Berkowitz served as a Peace Corps physician in Mauritania and Nigeria, and worked as a consultant for Family Planning International Assistance in Kenya, Ethiopia, and Tanzania. Dr. Berkowitz is a pioneer in the use of obstetrical ultrasound, and has developed several invasive procedures for the diagnosis and treatment of a variety of fetal diseases in utero. He is a member of numerous professional and scientific societies, has been president of the New York Obstetrical Society, and was a senior national board examiner for many years in both general obstetrics and gynecology and maternal-fetal medicine. Dr. Berkowitz serves on the editorial boards of several scientific journals, and his numerous publications include over 200 peer reviewed articles, as well as authoring or editing more than 35 books and book chapters.