Chris is an atmospheric physicist specializing in applications involving radiative transfer in planetary atmospheres. He leads the development for Level-2 scientific algorithms for retrieving atmospheric methane concentrations. Previously, he worked on Earth-observing satellites as part of the TEMPO and OMI science teams and was a Co-investigator of the NASA MEaSUREs. Chris was a physicist at the Harvard-Smithsonian Center for Astrophysics and obtained his PhD from Harvard University in Earth and Planetary Science.