Scientist, "The Voice of JPL" - "The Voice of JPL"
Planetary Scientist
Scientist - Southwest Research Institute
Astrophysicist - Goddard Space Flight Center
Public Engagement Manager - Solar System and Technology Public Engagement
Science Data Applications Lead - NASA's Jet Propulsion Laboratory
Physics Professor - Princeton University
Astronomer - Lunar and Planetary Laboratory
NASA Chief Scientist (Retired) - NASA Headquarters
