Jay is an active member of the Board at Dexcom, and a Professor of Medicine, Pediatrics, and Psychology at the University of Miami in Florida, in the Division of Endocrinology, Diabetes, & Metabolism in the Department of Medicine. For 22 years, he served as Study Chairman for the National Institute of Diabetes & Digestive & Kidney Diseases Type 1 Diabetes clinical trials network. His research interests are in improving the care of type 1 diabetes through meticulous glycemic control, psychosocial and behavioral support, and immune intervention. He is widely acclaimed for developing algorithms for patient adjustment of insulin doses. Jay is a past President of the American Diabetes Association, the International Diabetes Immunotherapy Group, and the Southern Society for Clinical Investigation, and was a Vice President of the International Diabetes Federation. He served as a member of the Endocrinology, Diabetes, and Metabolism Subspecialty Examining Board of the American Board of Internal Medicine, as Chairman of the Council of Subspecialty Societies of the American College of Physicians (ACP), and a member of the ACP Board of Regents. He was founding Editor-in-Chief of Diabetes Care, and currently is Senior Editor of Diabetes Technology & Therapeutics. At Signos, Jay advises on insulin and helps leverage the Dexcom partnership.