External Board

Director at the Kavli Institute for Theoretical Physics and Gluck Professor of Theoretical Physics, University of California, Santa Barbara

Director at Max Planck Institute for Gravitational Physics College Park Professor, University of Maryland

Cecil and Ida Green Professor of Physics, Emeritus, MIT, Google

Board of Governors Professor of Physics Rutgers University

Director at Center for Theoretical Physics, Division Head of Theoretical Nuclear and Particle Physics, and Professor of Physics, MIT