Jon T Giles, MD, MPH is Associate Professor of Medicine at Columbia University College of Physicians & Surgeons in New York City. His research interests are centered primarily within the inflammatory arthritides. Current projects center around understanding the inflammatory and non-inflammatory determinants of body composition abnormalities in rheumatoid arthritis and psoriatic arthritis, and their subsequent effects on health outcomes. Other current and past research involve the investigation of accelerated atherosclerosis and myocardial dysfunction in rheumatoid arthritis patients, understanding the determinants of rheumatoid arthritis-associated interstitial lung disease, and exploring the musculoskeletal side effects of a class of medications used to suppress estrogen in women with certain forms of breast cancer. He is the recipient of grant support from the National Institutes of Health, the Arthritis Foundation, the Rheumatology Research Foundation, the Marianne Legato Foundation, and the Arthritis National Research Foundation.