David A. Potter, M.D., Ph.D. is a Medical Oncologist at the Masonic Cancer Center University of Minnesota and Professor of Medicine in the Hematology, Oncology, and Transplantation Division.  He works on the development of therapies that target cytochrome P450 enzymes in breast cancer.  He also works on the conduct of Phase 1 clinical trials in the PRE I-SPY Phase I consortium.