Steven A Leibel

Age 61, a director since October 2007. Professor of Radiation Oncology at Stanford University School of Medicine and the Ann and John Doerr Medical Director of the Stanford Cancer Center since July 2004. Since May 2005, also the Associate Director for Clinical Research and Care at the Stanford Cancer Center. From 1998 to June 2004, Chairman of the Memorial Sloan-Kettering Department of Radiation Oncology.