Expert in Martian meteorites and what they tell us about the geology of Mars
Co-Investigator for SCIM (Sample Collection for Invesigation of Mars), which is a proposal for the return of a Martian dust sample.
Co-Investigator, focused on study of rocks and soils, plus strategic planning for rover operations
Co-Investigator for the Thermal Emission Imaging System (THEMIS)
Participating Scientist, as part of the Thermal Emission Spectrometer (TES) science team
Participating Scientist, primarily involved in the study of rocks and soils at the Pathfinder landing site through APXS (Alpha Proton X-Ray Spectrometer) chemical analyses and IMP (Imager for Mars Pathfinder) spectra