Fred Ramsdell

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2026-06-22

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Who is this?

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.