Harvard Medical School offers an MD program that trains physicians, PhD programs that train researchers in biomedical inquiry, and master's degree programs. It serves more than 12,000 faculty members and 1,600 medical and graduate students. The school conducts research that has produced therapies for cancer, diabetes, and sickle cell disease. George Q. Daley, MD, PhD, who earned AB and MD degrees from Harvard and a PhD in biology from MIT, serves as Dean of the Faculty of Medicine since 2017. Harvard Medical School operates from its campus in the Longwood Medical Area of Boston, Massachusetts, since 1906, with 15 affiliated hospitals and research institutes.