Susan Knox, Ph.D., M.D., is a consultant with InterWest Partners' Life Sciences team and serves as an Associate Professor at Stanford University School of Medicine in the Department of Radiation Oncology. Knox is the co-founder of InterWest portfolio company, RadioRx. Knox brings more than 20 years of experience working in the medical field, focusing on radiation oncology and transitional medicine. Knox has a B.A. from UC Berkeley; Ph.D. from UC Davis; and M.D. from Stanford University School of Medicine.

At the beginning of her career, Knox served as a medical intern at UC Davis Medical Center and was a post-doctoral fellow at Stanford University Hospital in the Departments of Medical and Radiation Oncology. She served her residency at Stanford University Hospital in the Department of Radiation Oncology.