Senior Research Scientist - University of Texas at Austin
Former Director for Solar System Exploration - Jet Propulsion Laboratory
Project Manager - Jet Propulsion Laboratory
Project Manager - Marshall Space Flight Center
Engineering Camera Payload Uplink Lead
Chief Astronomer and NASA Solar System Ambassador - The Franklin Institute Science Museum
Teacher/Observatory Coordinator - Minn.
Scientist - NASA Jet Propulsion Laboratory
Astrobiologist - Brown University
