George C. Tsokos is a Professor of Medicine at Harvard Medical School and chief of the Division of Rheumatology and Clinical Immunology at Beth Israel Deaconess Medical Center in Boston, MA. His laboratory has led the field of molecular abnormalities on immune cells in patients with systemic lupus erythematosus and has identified previously unknown pathways that have served as the basis for novel treatments currently in various phases of development. He has served as president of the Clinical Immunology Society, a member of the boards of directors for the American College of Rheumatology and the Lupus Foundation of America, a member or chair of multiple federal study sections, and editor or member of the editorial boards for top scientific journals. He has received several awards, including a MERIT from NIH, the Lee C. Howley Sr. Prize, the Evelyn V. Hess, the Distinguished Basic Investigator Award from the American College of Rheumatology, the Lupus Insight Prize from the Lupus Research Alliance, and the Carol Nachman Prize for Rheumatology. He is a Master of the American College of Physicians and the American College of Rheumatology, a member of the American Association of Physicians, and Fellow of AAAS.