Dr. Rickels is the Willard and Rhoda Ware Professor in Diabetes and Metabolic Diseases at the University of Pennsylvania Perelman School of Medicine where Dr. Rickels serves as Director of Clinical Science in the Division of Endocrinology, Diabetes and Metabolism, Director for Translational Research in the Institute for Diabetes, Obesity & Metabolism, and Medical Director for the Pancreatic Islet Cell Transplant Program. Dr. Rickels conducts patient-oriented diabetes research that is focused on understanding the physiology of islet function and replacement and glucose counterregulation in defense against hypoglycemia in type 1 diabetes and pancreatogenic forms of diabetes such as cystic fibrosis-related diabetes. This work has been continuously funded by the National Institutes of Health where Dr. Rickels has served as chair of the metabolics study subcommittee for the Clinical Islet Transplantation (CIT) Consortium, chair of the data and safety monitoring board for the Restoring Insulin Secretion (RISE) Consortium and chairs the publications and presentations committee for the Collaborative Islet Transplant Registry (CITR). Dr. Rickels has served as vice-chair for the Type 1 Diabetes Exchange Clinic Network and Registry, as elected councilor for the International Pancreas and Islet Transplant Association, as Associate Editor of Endocrine Reviews, and currently serves as Associate Editor of Diabetes Care.