Christopher Williams (astronaut)

Christopher Williams
Williams in February 2024
Born
Christopher Leigh Williams

(1983-10-23) October 23, 1983
New York City, New York, U.S.
Education
Space career
NASA astronaut
SelectionNASA Group 23 (2021)
Scientific career
FieldsPhysics
ThesisInitial Exploration of 21-cm Cosmology with Imaging and Power Spectra from the Murchison Widefield Array (2012)
Doctoral advisorJacqueline Hewitt

Christopher Leigh Williams is an American medical physicist and NASA astronaut. Selected in 2021 as part of NASA Astronaut Group 23, he is slated to launch to the International Space Station in 2025 as a flight engineer on Expedition 74. Before joining NASA, Williams worked at Harvard Medical School, Brigham and Women's Hospital, and the Dana–Farber Cancer Institute, where he led efforts in MRI-guided radiation therapy for cancer treatment. He holds a Ph.D. in physics from the Massachusetts Institute of Technology and is board-certified in medical physics.