Immunologist Sarah Schlesinger must try to save her mentor's life with his own work in cellular immunity.

Sarah J. Schlesinger MD is a clinical investigator and immunologist at The Rockefeller University who has spent more than 20 years working in the field of cellular immunity, including as clinical director of the laboratory led by the late Ralph M. Steinman, M.D., 2011 Nobel Laureate in Physiology or Medicine. She is currently Senior Attending Physician and Associate Professor of Clinical Investigation at the Laboratory of Cellular Physiology and Immunology at Rockefeller. Prior to joining the University, Dr. Schlesinger was a scientist at the International AIDS Vaccine Initiative in New York City. From 1996 to 2002, Dr. Schlesinger was a Research Physician/Pathologist at the Division of Retrovirology at Walter Reed Army Institute of Research, having previously served, from 1994 to 2002, as Staff Pathologist at the Armed Force Institute of Pathology in Washington, DC. Dr. Schlesinger trained in Surgery at the Albert Einstein College of Medicine and began her career in pathology at Georgetown University in Washington, DC, and hospitals in New York including Buffalo General, Hospital New York and the Manhattan Eye, Ear and Throat Hospital.