Fred Ramsdell

Fred Ramsdell
Ramsdell in 2025 at the U.S. Embassy Sweden Nobel laureate reception
Born
Frederick Jay Ramsdell

(1960-12-04) December 4, 1960
EducationUniversity of California, San Diego (BS)
University of California, Los Angeles (PhD)
AwardsCrafoord Prize (2017)
Nobel Prize in Physiology or Medicine (2025)
Scientific career
InstitutionsParker Institute for Cancer Immunotherapy
ThesisGeneration of lymphokine-activated killer cells from non-natural killer cell sources: Development from human thymocytes (1988)
Academic advisorsSidney Golub

Frederick Jay Ramsdell (born December 4, 1960) is an American immunologist and Nobel Prize laureate. As of 2025, he is an advisor at Sonoma Biotherapeutics, a biotechnology company co-founded by him.

In 2025, he was jointly awarded the Nobel Prize in Physiology or Medicine with Mary E. Brunkow and Shimon Sakaguchi for their work in peripheral tolerance.