Open to all registrants Dr. Grotzinger is a geologist interested in the evolution of surface environments on Earth and Mars. Field and subsurface exploration-scale mapping studies are the starting point for more topical laboratory-based studies involving geochemical, geologic, and geochronological techniques. He is currently the Project Scientist for the Mars Science Laboratory Rover mission launched in 2011. He is also a member of the Mars Exploration Rover Science Team and HiRISE camera imaging team on Mars Reconnaissance Orbiter.