Andrew Sayer, Senior Scientist (Earth Sciences)

Andrew Sayer


NASA Goddard
Bldg 28, Room W113
Greenbelt, MD 20771

Phone: 301-614-6211
Fax: 301-614-6307


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 ( works 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.