President of The Rockefeller University since March 2011. Between 2003 and 2011, held positions of increasing responsibility at Genentech, where he became Executive Vice President, Research, and Chief Scientific Officer. Susan B. Ford Professor in the School of Humanities and Sciences, and Professor of Biological Sciences and of Neurology and Neurological Sciences at Stanford University from 2001 to 2003, and a faculty member at the University of California, San Francisco from 1991 to 2001. In addition, Tessier-Lavigne was a Howard Hughes Medical Institute Investigator from 1994 to 2003. Director of Regeneron Pharmaceuticals, Inc. Member of the National Academy of Sciences and its Institute of Medicine, and a Fellow of the Royal Society (UK), the Royal Society of Canada, the Academy of Medical Sciences (UK) and the American Association for the Advancement of Science. Our Director since 2011. Member of our Regulatory and Compliance and our Science and Technology Committee.