Curriculum Vitae


  • NEO Surveyor Investigation Team Member leading the NEO Surveyor Simulator (NSS) and Reference Small Body Population Model (RSBPM) Development Teams. Survey Working Group Lead.
  • NEOWISE Science Team Member.

Work Experience

  • Senior Staff Scientist, Lunar and Planetary Laboratory, University of Arizona (2019 – Current)
    • Lead for the NEO Surveyor (NEOS) Investigation Software Suite (NISS) development team.
    • Lead of the NEOS Survey Working Group and member of the mission Investigation Team.
  • SeniorĀ Scientist, Planetary Science Institute (2011 – 2019)
  • Associate Research Scientist, Johns Hopkins University (2008-2011)
  • Visiting Scientist, Harvard-Smithsonian Center for Astrophysics (2006-2008)
  • Junior Scientist, University of Hawaii (2004-2008)
  • Pre-Doctoral Fellow, Harvard-Smithsonian Center for Astrophysics (2001-2004)


  • Doctor Scientiarum (Ph.D, 2004), Astronomy – Celestial Mechanics, University of Oslo, Norway.
  • Master of Science (M.Sc, 2001), Astronomy – Celestial Mechanics, University of Oslo, Norway.
  • Candidate Scentiarum (B.Sc, 2000), University of Oslo, Norway. Major in Astronomy.

Honors and Awards

  • NASA Group Achievement Award – NEOWISE Team (2012).
  • Asteroid (12309) named Tommygrav (2006).

Professional Services

  • Planetary Defense Lead of NASA’s Small Bodies Assessment Group (SBAG) Steering Committee (2014-2016)
  • Participated in NASA and NSF science review panels (2011-2015)
  • Reviewer for Astrophysical Journal (ApJ), Astronomical Journal (AJ), Icarus, Publications of the Astronomical Society of the Pacific (PASP), and Planetary and Space Science (P&SS).

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