Dr. Sheen is the Medical Director of Labor and Delivery at NewYork-Presbyterian/Columbia University Irving Medical Center. She entered the field of maternal-fetal medicine after an established career in general obstetrics and gynecology and education, having received her medical degree from the New York University School of Medicine and followed with residency training in obstetrics and gynecology at NewYork-Presbyterian Hospital/Weill Cornell Medical College. She then practiced general obstetrics and gynecology and was the Associate Residency Director at Jamaica Hospital Medical Center prior to pursuing her fellowship in Maternal-Fetal Medicine (MFM) at Albert Einstein College of Medicine/Montefiore Medical Center. Her experience with varying maternal medical and fetal disorders contributed to her interest in pursuing formal training in perinatology. During fellowship, Dr. Sheen continued her work with maternal medical disorders, obstetrics and gynecology education, patient safety and the quality assessment of patient care, besides developing her interests in evaluating fetal anomalies. Her research and interests have included studies of progesterone use in preventing preterm labor in patients with varying medical co-morbidities, radiologic imaging for evaluating pulmonary emboli in pregnancy, postpartum emergency room utilization, epigenetics of diabetes and obesity, as well as patient safety and resident education through simulation/hand-off training.