Julio Leey Casella M.D., M.Sc.


Dr. Julio Leey received his M.D. from Universidad Peruana Cayetano Heredia, in Peru. He then did his Internal Medicine Residency in University of Louisville, KY, and a Geriatric Fellowship in the same University. After completion of his initial training, he moved to St. Louis to do his Endocrinology Fellowship at Washington University. There he worked with his mentors to establish a clinic in Wolfram Syndrome, a rare genetic cause of diabetes. He completed a Masters in Clinical Investigation at University of Louisville in 2008, and Masters in Exercise Physiology at Southern Illinois University at Edwardsville, IL in 2015. In 2016 Dr. Leey was recruited to University of Florida, Gainesville. Later, in the same year, he received an Envision Grant from the Cystic Fibrosis Foundation to study endocrine problems in patients with Cystic Fibrosis. Since then he has studied clinical aspects of Cystic Fibrosis-Related Diabetes (CFRD) such as the use of insulin in CFRD patients newly diagnosed and among CF patients pre and post lung transplant. He works also in type 2 diabetes, nonalcoholic fatty liver disease and insulin pump therapy. Dr. Leey is the Director of the Insulin Pump and CGM clinic at University of Florida, Gainesville. He is the author/co-author of more than 20 scientific articles and book chapters. His current research interests include the development of diagnostic approaches for CFRD, the natural history of CFRD and barriers to appropriate glycemic control in patients with CFRD.