Stew Fischer, Ph.D. joined C4 Therapeutics in May 2016 and has served as our Chief Scientific Officer since May 2018. Between May 2016 and May 2018, Stew served as our Senior Vice President of Discovery Sciences. Prior to joining C4 Therapeutics, Stew held senior leadership roles at the Broad Institute, including Director of Quantitative of Biochemistry and Enzymology, where he developed and implemented biochemical plans for therapeutic projects. He previously spent fifteen years at AstraZeneca in roles of increasing responsibility across target validation, drug discovery and clinical candidate support, including Executive Director of Infection Bioscience. Stew started his career at Hoffmann-La Roche as a Research Scientist after completing an NIH Post-Doctoral Fellowship at Harvard Medical School. Stew holds a Ph.D. in Organic Chemistry from the California Institute of Technology, and a B.A. in Chemistry from the University of Vermont.