
David J. Des Marais
Dr. Des Marais is a senior space scientist with NASA’s Astrobiology Program at NASA
Ames Research Center. He has studied both living communities of microorganisms and
their ancient fossil records. He has investigated the chemistry of carbon in meteorites,
lunar samples, and volcanic rocks and ancient sediments on Earth. David is currently
a member of the science operations team for NASA’s Curiosity Rover Mars mission. He
has published more than 210 technical articles and chapters on his research and Mars
missions. He has been a co-leader of the Lassen Astrobiology Student Intern Program
since 2008. David has been elected fellow of six professional societies. The Geochemical
Society awarded him the Alfred Treibs Medal for his career achievements in Organic
Geochemistry.













