Dr. Douglas Micalizzi is a medical oncologist at Massachusetts General Hospital specializing in breast cancer, early cancer detection and hereditary cancer risk. He is also the Clinical Director of the Cancer Early Detection and Diagnostics Clinic. Dr. Micalizzi received his undergraduate degree in chemistry from Villanova University. He pursued his MD from University of Colorado and PhD in molecular biology at the University of Colorado in the lab of Dr. Heide Ford. He completed his internship and residency in internal medicine at Massachusetts General Hospital and fellowship in medical oncology at Dana-Farber Cancer Institute and the Massachusetts General Hospital. For his postdoctoral fellowship, he worked in the lab of Dr. Daniel Haber and Dr. Shyamala Maheswaran at the Massachusetts General Hospital Cancer Center. He is currently an instructor of medicine at Harvard Medical School.