Senior Member Engineering Staff - Jet Propulsion Laboratory
Retired Program Manager - Jet Propulsion Laboratory
Planetary Scientist - NASA's Jet Propulsion Laboratory (JPL)
Microbial Ecologist - NASA Ames Research Center
Scientist - NASA Goddard Space Flight Center
Scientist - Johns Hopkins University Applied Physics Laboratory
Scientist - Planetary Science Institute
Research Scientist - SETI Institute and NASA Ames Research Center
Planetary Scientist - Jet Propulsion Laboratory
Research Astrophysicist - Goddard Space Flight Center
