Advisory Board

Professor Geoffrey W. Marcy

Geoffrey W. Marcy, Ph.D., FAAAS is Alberts SETI Chair, Professor of Astronomy, University of California Berkeley and Adjunct Professor of Physics and Astronomy, San Francisco State University.
Geoff discovered 70 of the first 100 extrasolar planets known. He also:

  • Made First Zeeman Measurements of Magnetic Fields for Solar-Type Stars
  • Found Paucity of Brown Dwarfs Orbiting Stars (The “Brown Dwarf Desert”)
  • Developed Method of Precise Doppler Measurements (3 meter/sec)
  • Found Evidence that Solar System May be Peculiar (Circular vs Eccentric Orbits)
  • Discovered First System of Planets Around a Sun-Like Star (Upsilon And)
  • Co-Discovered First Transiting Planet Around another Star (HD209458)
  • Discovered First Saturn-Mass Planets (HD46375, HD16141)
  • Discovered First Extrasolar Planet Orbiting Beyond 5 AU (55 Cancri d)
  • Co-Discovered First Neptune-Sized Planets: Gliese 436b and 55 Cancri e
  • Co-Discovered First Definitive Rocky Planet, Measuring its Density (Kepler-10b)
  • Surveyed Occurrence Rate of Earth-Size Planets around Sun-Like Stars (Petigura et al. 2014)
Geoff earned his B.A. (Summa Cum Laude) in Physics and Astronomy at UCLA in 1976. He earned his Ph.D. in Astronomy and Astrophysics, University of California Santa Cruz in 1982.
His awards include The Cozzarelli Prize (2013), Elected member of the American Academy of Arts and Sciences (2010), The Shaw Prize (2005), NASA Medal for Exceptional Scientific Achievement (2003). Carl Sagan Award (2002), Elected member of the National Academy of Sciences (April 2002), Beatrice Tinsley Prize (2002), and IAU Commission 51 Bioastronomy Medal of Honor (1997).
Watch Celsius lecture — The Discovery of the First Earth-Size Planets and the prospects for life, Astronomy C12 — 2014-10-30: Saturn, rings, moons, Titan and Enceladus, Kepler, Exoplanets, and SETI — Geoff Marcy (SETI Talks), Astrobiology — Exoplanets — Geoff Marcy, New Worlds and Yellowstone: How Common Are Habitable Planets?, and Keck Week Video #6: Discovering New Worlds with Keck.
Read his Wikipedia profile.