Joseph is the Vice President of Scientific Affairs on the Biotherapeutics group at Deerfield and joined the Firm in 2017. Prior to Deerfield, Joseph was the Vice President of Clinical Development at Infinity Pharmaceuticals. Before Infinity Pharmaceuticals, Joseph worked as a Medical Director in the oncology unit of Sanofi. He received his MD at the University of California, San Francisco, and completed his clinical training at the Massachusetts General Hospital and Dana Farber Cancer Institute. He earned his PhD in Molecular Biology from Harvard University and was a Lecturer in the Department of Biological Chemistry and Molecular Pharmacology at Harvard Medical School.