Jeffrey A. Sparks, MD, MMSc, is a rheumatologist and Associate Professor of Medicine at Brigham and Women’s Hospital and Harvard Medical School in Boston, Massachusetts. Dr. Sparks serves as the Director of Immuno-Oncology and Autoimmunity of the Division of Rheumatology, Inflammation, and Immunity. His research focuses on using patient-oriented and epidemiologic methods to evaluate the etiology, outcomes, and public health burden of rheumatic diseases.