Dr. Philip Stieg is Professor and Chairman of the Department of Neurological Surgery at Weill Cornell Medical College. He is also the Neurosurgeon-in Chief at NewYork-Presbyterian Hospital and an Attending Neurological Surgeon at Memorial Sloan-Kettering Cancer Center.  Prior to joining the Cornell Physician Organization, Dr. Stieg was the Associate Chief in Neurosurgery at Brigham and Women's Hospital, Harvard Medical School.  Dr. Stieg earned his Ph.D. in Anatomy and Neuroscience from Albany Medical College of Union University and obtained his medical degree from the Medical College of Wisconsin.

Dr. Stieg completed his postdoctoral training at Southwestern Medical School in the department of surgery at Parkland Memorial Hospital in Dallas, Texas. He completed his fellowship in cell transplantation for restorative neurological function at Karolinska Institute at Stockholm, Sweden. His residency was at the Parkland Memorial Hospital, Dallas Veterans Administration Hospital- Children’s Hospital in the Department of Neurosurgery.

Dr. Stieg has developed an international reputation in the area of cerebrovascular disorders. He has been active in many international courses and been broadly published. He has contributed to groups such as the Joint Sections of Cerebrovascular Surgery of the American Association of Neurological Surgeons and Congress of Neurological Surgeons (AANS/CNS) where he now assists in the capacity of past chairman. In addition, he is the past President of the Society of University Neurosurgeons. A recipient of several awards and honors, including citations in "Who's Who in Health and Medical Services" and "The Best Doctors in America," Dr. Stieg has played a major role in developing and enhancing the neurological programs at Harvard, Brigham and Women's Hospital, and Children's Hospital at Boston.