James V Hennessey, MD is Director of Clinical Endocrinology at Beth Israel Deaconess Medical Center in Boston, MA. He is an Associate Professor of Medicine at the Harvard medical School. He completed subspecialty training in endocrinology and metabolism at the Walter Reed Army Medical Center where he conducted research in thyroxine bioequivalence. Following fellowship Dr Hennessey served as the Chief of Endocrinology at USAF Medical Center Wright-Patterson in Ohio and later joined the faculty as the Director of Clinical Clerkships at Wright State University School of Medicine. He maintained a clinical-teaching practice in endocrinology at Wright State and in thyroidology as a reserve medical officer at the Wright-Patterson Medical Center where he again served on active duty during Operation Desert Storm. Upon arrival at Brown Medical School in Providence RI, he transferred to the Air National Guard, was a Colonel and the Rhode Island State Surgeon. While at Brown, he served as Associate Director for Clinical Education in the Division of Endocrinology at Rhode Island Hospital and directed the Student Pathophysiology course and played a major role in the endocrine fellowship program. Dr Hennessey’s career has focused on the clinical education of medical students, resident physicians in internal medicine, and fellows in endocrinology and metabolism. In this capacity he has conducted lectures, precepted clinical care, and carried out original and sponsored clinical research with his trainees. Currently, he is pursuing his clinical interest in thyroid disease and osteoporosis with both expanding clinical programs.