Philip Stieg, PhD, MD is the Professor and Chairman of the Department of Neurological Surgery at Weill Cornell Medical College and Neurosurgeon-in-Chief at NewYork-Presbyterian Hospital.He received his B.S. degree in 1974 from the University of Wisconsin at Madison, his Ph.D. in Anatomy and Neuroscience from Albany Medical College of Union University in 1980, and his M.D. from the Medical College of Wisconsin in 1983. He completed his internship and residency at the University of Texas Southwestern Medical School and a fellowship in cell transplantation for restorative neurological function at Karolinska Institute in Stockholm, Sweden.