Dafna Bar-Sagi is a cell biologist and cancer researcher at New York University School of Medicine. She is the Saul J. Farber Professor in the Department of Biochemistry and Molecular Pharmacology and the Department of Medicine and Senior Vice President and Vice Dean for Science at NYU Langone Health. Bar-Sagi has been a member of scientific advisory boards, including the National Cancer Institute, Starr Cancer Consortium, and Pancreatic Cancer Action Network.