Professional Experience
- Frank B. Baird, Jr., Professor of Science: Harvard University, Jul. 2009–present
- Professor of Physics: Harvard University, Jul. 2001–present
- Professor of Physics: MIT, Sept. 1998–Jul. 2001
- Professor of Physics: Princeton University, Jul. 1998–Sept. 2000
- Associate Professor of Physics: MIT, Jul. 1995–Jul. 1998
- Assistant Professor of Physics: MIT, Jul. 1991–Jul. 1995
- Junior Fellow: Harvard Society of Fellows, Jul. 1990–Jul. 1991
- Postdoctoral Fellow: Lawrence Berkeley Laboratory, Jul. 1989–Jul. 1990
- President’s Fellow: University of California, Berkeley, Jul. 1987–Jul. 1989
- Physics Tutor: Adams House, Sept. 1984–Jun. 1987
- Teaching Assistant: Harvard Physics Department, Feb. 1984–May 1984
- Summer Research: Bell Laboratories, Jun. 1983–Aug. 1983
- Summer Research (E-516): FNAL, Aug. 1982-Sept. 1982
- Summer Research: IBM, Poughkeepsie, Jun. 1982–Aug. 1982
- Summer Research: Smithsonian Astrophysical Observatory, Jun. 1981–Aug. 1981
Visiting Positions
- Visiting Professor: Institute for Theoretical Physics, Madrid, Spain, Oct. 2014
- Miller Institute Visiting Professorship: University of California, Berkeley, Mar. - May 2012
- Director General's Visiting Professorship: CERN Dec. 2011-present
- Faculty Affiliate, Program of Science, Technology and Society: Kennedy School of Government, Harvard University, Oct. 2011 - present
- California Institute of Technology Moore Distinguished Scholar: Caltech, Pasadena, CA, Summer 2008 - Spring 2009
- Visiting Professor: New York University, New York City, Sept.–Dec. 2007, Nov. 2008
- CERN Summer Visitor: Aug. 1996 - Aug 1997
External Advisory Positions
- Advisor: Parallel Universes/PhD Productions, Jan. 2016
- Advisor: Scientific American, Jan. 2015-2016
- Advisor: World Science Festival, Dec. 2015
- Judge: Scientific American/Centre for Quantum Technologies, Flash Fiction competition, Jan. 2014
- International Advisory Committee: Rencontres du Vietnam, International Center for Interdisciplinary Science Education (ICISE), Quy Nhon (Central Vietnam), Aug. 2013
- Judge: Centre for Quantum Technologies/New Scientist, Quantum Shorts film competition, Jan. 2013
- Board Member: Einstein Forum (Potsdam, Germany), May 2012–present
- International Advisory Committee: Les Houches Workshop Series: “Physics at TeV Colliders,” May 2011
- President's Committee on the National Medal of Science: Jan. 2011–Jan. 2014
- Advisory Board: Michigan Center for Theoretical Physics Winter Conference on LHC, Dec. 2010
- Board of Visitors: Longy School of Music, 2009–2011
- International Advisory Committee: International Conference on High Energy Physics (ICHEP), 2009, 2010
- Advisory Board: Seed Magazine, Aug. 2008–present
- Board of Physics and Astronomy (BPA): National Academy of Science (NAS, NRC), July 2008–July 2011
- ASTRO2010 Science Subpanel: The Astronomy and Astrophysics Decadal Survey Committee (ASC), 2008–2009
- Summer Public Lecture Committee: Aspen Center for Physics, 2008–2010
- Julius Edgar Lilienfeld Prize Selection Committee: American Physical Society, 2008
- Advisory Board: World Science Festival, Sept. 2007–present
- Science Sponsor: New York Hall of Science, June 2007–present
- Advisory Board: Scientific American, May 2007–present
- High Energy Physics Advisory Panel (HEPAP): HEPAP, Feb. 2007–present
- Board of Sponsors: Bulletin of the Atomic Scientists, Nov. 2006–present
- Beyond Einstein Program Advisory Committee (BEPAC): Space Studies Board of National Research Council, Sept. 2006–Aug. 2007
- Consultant: Paramount Pictures, May 2006
- Advisory Board: Bethe Center for Arms Control and Non-Proliferation, Mar. 2006– present
- Consultant: The Zula Patrol (Children's Science Television), Feb. 2006
- Advisory Board: Institute for Contemporary Art (ICA) SuperVision, Jan. 2006
- Advisory Council: NASA Exploration Safety Study (NESS), Dec. 2005–Jun. 2006
- Advisory Board: Prize for Promise, Sept. 2003–present
- Board General Member: Aspen Center for Physics, 1997–present
Editorial Positions
- Advisory Board: Journal of High Energy Physics, Nov. 2006–present
- Editor: Journal of High Energy Physics, Jan. 1997–Jan. 1998, Feb. 2000–Nov. 2006
- Associate Editor: Nuclear Physics B, Sept. 1999–present
- Editor: Annual Review of Nuclear and Particle Science, Sept. 1997–2000
Workshop and Conference Organization
- MIAPP/Munchner Physik-Kolloquium Organizer: “Double Disk Dark Matter,” Munich Institute for Astro- and Particle Physics, Munich, Germany. Jul. 2015.
- Organizing Committee, Symposium: The First Year of LHC Physics, Ann Arbor, MI, Dec. 2010
- International Advisory Committee: European Physical Society, EuroPhysics Conference on High Energy Physics, Krakow, Poland, Jul. 2009
- International Advisory Committee: Strings 2009, The Pontificia Università S. Tommaso, Rome, Italy, Jun. 2009
- International Advisory Committee: SUSY ’09, 17th International Conference on Supersymmetry and the Unification of Fundamental Interaction, Northeastern University, Jun. 2009
- International Advisory Committee: National Research Council's Board on Physics and Astronomy, Nov. 2008
- Advisory Committee: LHC New Physics Signatures Workshop, Michigan Center for Theoretical Physics, Ann Arbor, MI, Jan. 2008
- Program Committee: SUSY ’07, 15th International Conference on Supersymmetry and the Unification of Fundamental Interactions, Karlsruhe, Germany, Jul. 2007
- International Advisory Committee: Strings 2007, Madrid, Spain, Jun. 2007
- Scientific Organizing Committee: 23rd Texas Symposium on Relativistic Astrophysics, Melbourne, Australia, Dec. 2006
- International Advisory Program Committee: XXXIII International Conference on High Energy Physics, Moscow, Russia, Jul. 2006
- Program Committee: Cosmic Inflation, UC-Davis, Mar. 2003
- International Advisory Committee: Cosmo-02, International Workshop on Particle Physics and the Early Universe, Chicago, IL, Sept. 2002
- International Advisory Board: Aspen Winter Conference on Particle Physics, Aspen, CO, Jan. 2002
- International Advisory Committee: Abdus Salam International Center for Theoretical Physics (ICTP) and Italian Institute for Nuclear Theory (INFN), Beyond Four Dimensions, Trieste, Italy, July 2000
- International Scientific Advisory Committee: SUSY ’00, Eighth International Conference on Supersymmetries in Physics, CERN, Geneva, Switzerland, July 2000
- International Advisory Board: Aspen Winter Conference on Particle Physics, Aspen, CO, Jan. 2000
- Organizer (with D. Kutasov and M. Shifman): Conference on Extra Dimensions in Field Theory and String Theory, Institute for Theoretical Physics, Santa Barbara, Nov. 1999
- Coordinator (with D. Kutasov and M. Shifman): Supersymmetric Gauge Dynamics and String Theory, Workshop at the Institute for Theoretical Physics, Santa Barbara, Aug. 1999–Dec. 1999
- International Scientific Advisory Committee: SUSY ’99, Seventh International Conference on Supersymmetries in Physics, Fermilab, IL, June 1999
- International Advisory Board: Aspen Winter Conference: Advances in Particle Physics, Jan. 1999
- International Scientific Advisory Committee: SUSY ’98, Sixth International Conference on Supersymmetries in Physics, Oxford, England, July 1998
- Santa Barbara Institute for Theoretical Physics Advisory Board: 1998–2001
- International Scientific Advisory Committee: SUSY ’97, Fifth International Conference on Supersymmetries in Physics, Philadelphia, PA, June 1997
- Program Committee: Rencontres de Moriond, Electroweak Session, Mar. 1997–Mar. 2000
- Board of General Members: of the Aspen Center for Physics, 1997–present
- Organizer, Quarks: The Third Generation, Top and Bottom Quarks and Weak Interactions, Institute for Theoretical Physics, Santa Barbara, Apr. 1994
- Coordinator: Weak Interactions Workshop at the Institute for Theoretical Physics, Santa Barbara, Jan. 1994–Jun. 1994