Shimon Sakaguchi
| Shimon Sakaguchi  坂口 志文 | |
|---|---|
| Born | January 19, 1951 | 
| Education | Kyoto University MD (1976) Ph.D (1982) | 
| Known for | Regulatory T cells | 
| Awards | William B. Coley Award (2004) Gairdner Foundation International Award (2015) Crafoord Prize (2017) Robert Koch Prize (2020) | 
| Scientific career | |
| Fields | Pathology, immunology | 
| Institutions | Johns Hopkins University Stanford University Scripps Research Institute RIKEN University of Tokyo Osaka University | 
Shimon Sakaguchi (坂口 志文, Sakaguchi Shimon; born January 19, 1951) is an immunologist and a Distinguished Professor of Osaka University. He is best known for the discovery of regulatory T cells and describing their role in the immune system. This discovery is used in the treatment of cancer and autoimmune diseases.