Editorial Contributor

John L. Leahy, MD


Professor of Medicine
Chief, Endocrinology, Diabetes and Metabolism Unit
University of Vermont College of Medicine 

Dr. Leahy is Professor of Medicine and Chief of the Division of Endocrinology, Diabetes and Metabolism at the University of Vermont College of Medicine, Burlington. He is Director of the Vermont Regional Diabetes Center and Attending Physician at the Medicine Health Care Service, both at Fletcher Allen Health Care/University of Vermont. Dr. Leahy also serves as Director of the Endocrine Fellowship Program at the university. He is board certified in internal medicine and in endocrinology and metabolism.

After earning his medical degree at the Medical College of Virginia in Richmond, Dr. Leahy completed an internship in medicine at the college. There, he subsequently underwent residency training in medicine, and completed his clinical fellowship in endocrinology and his fellowship in research.

Dr. Leahy’s research interests have included pancreatic beta cell dysfunction and insulin resistance in diabetes, and he is currently the principal investigator in studies examining the mechanisms of beta cell compensation. He also serves as a reviewer for the Metabolism Study Section of the National Institutes of Health. Dr. Leahy has authored and co-authored many book chapters and articles, the latter of which have appeared in such peer-reviewed journals as Diabetes, The Journal of Clinical Investigation, and The New England Journal of Medicine. In addition, he is co-editor of Diabetes, Year Book of Endocrinology, and editor-in-chief of Insulin Therapy and Your Practice: Strategies for Improving Patient Outcomes, published by the American Diabetes Association (ADA).

Dr. Leahy is the recipient of the ADA Mentor Fellowship Award for his work as principal investigator. He is a member of various professional organizations, including the ADA, the Endocrine Society, and the European Association for the Study of Diabetes, among others.