Andrew Sayer, Senior Scientist (Earth Sciences)

Andrew Sayer

Contact Info

NASA Goddard
Bldg 28, Room W113
Greenbelt, MD 20771
Phone: 301-614-6211

Research Interests

Andrew is very interested in new collaborations, so if you find some overlap between your research areas and his, please feel free to get in touch.

- Development, validation, and scientific application of aerosol, cloud, and surface property retrievals from passive satellite imaging radiometers and polarimeters. He currently works as Project Science Lead for Atmospheres for the forthcoming NASA PACE mission ( with Dr. P. Jeremy Werdell, and was previously a member of the Deep Blue aerosol project team ( working with Dr. N. Christina Hsu's group.
- Sun-photometry.
- Aerosol microphysical properties.
- Statistical techniques.
- Radiative transfer codes.


Andrew Sayer obtained his Ph.D. at the University of Oxford, UK. Following his doctoral thesis, "Aerosol remote sensing using AATSR", he worked as a postdoc in aerosol and cloud remote sensing jointly at Oxford and the Rutherford Appleton Laboratory. In September 2010, Dr. Sayer joined Christina Hsu's group at GSFC to work on aerosol remote sensing. He joined GESTAR in May 2011, and has been in Dr. Jeremy Werdell's group since summer 2018.

A list of publications, citation metrics, reviews, and editorial board memberships can be found at Publons: