Dr. Choi is a Professor of Medicine at Massachusetts General Hospital (MGH) and at Harvard Medical School. Dr. Choi also serves as the Director of the Gout and Crystal Arthropathy Center at MGH, as well as the Director of Clinical Epidemiology and Health Outcomes Program in the Division of Rheumatology, Allergy and Immunology.  Dr. Choi received his rheumatology training at MGH and Harvard Medical School, and his doctoral degree from Harvard University.  He has been a leading clinician-scientist in rheumatic disorders ranging from common inflammatory conditions, such as gout and rheumatoid arthritis, to rare, multi-organ disorders, such as systemic vasculitis. Dr. Choi has served as the Associate Director of an NIH P50 Gout Center of Research Translation and the co-director of the Gout Hyperuricemia and Crystal-Associated Disease Network (G-CAN) (http://www.g-can.org/), an international network of over 300 MDs and PhDs focusing on crystal arthropathy care and research, for over more than 10 years. Furthermore, Dr. Choi led the development of the first-ever ACR/EULAR-endorsed classification criteria for CPPD, engaging specialists from over 50 sites worldwide, with joint funding from the ACR and EULAR.