BSc in Physics, PhD in Theoretical Elementary Particle Physics, MIT. Senior leadership positions in academia, government, industry, and research. 1995-99, Chairman, US Nuclear Regulatory Commission. Since 1999, President, Rensselaer Polytechnic Institute. Former Member, President's Council of Advisors on Science & Technology. Co-Chair, US President's Intelligence Advisory Board. Member: US Department of State International Security Advisory Board; US Secretary of Energy Advisory Board. Vice-Chair, Board of Regents, Smithsonian Institution; Trustee, Brookings Institution; Director, Council on Foreign Relations; Life Member, MIT Corporation. Director: IBM, FedEx, Medtronic. International Fellow, British Royal Academy of Engineering. Member; US National Academy of Engineering; American Philosophical Society. Recipient, Vannevar Bush Award, US National Science Board (2007).