Santos is the daughter of Ted Santos, a physician and pathologist in
Valdosta, Georgia. After graduating as
salutatorian from
Valdosta High School, she became a student of materials science and engineering at the
Massachusetts Institute of Technology, where she received a bachelor's degree in 2002 and a Ph.D. in 2007 under the supervision of
Jagadeesh Moodera. She received the Outstanding Senior Thesis award of the MIT Department of Materials Science and Engineering for her bachelor's thesis,
Ferromagnetic Europium Oxide as a Spin-Filter Material. Her doctoral dissertation,
Europium oxide as a perfect electron spin filter, was based on research applying magnetic materials in
spintronics. She became a postdoctoral researcher and then staff scientist at the
Argonne National Laboratory before joining
Hitachi Global Storage Technologies (HGST) in 2011. HGST was acquired by Western Digital in 2012. ==Recognition==