Stavros Manolagas, MD, PhD, is a Founder of Radius and is Professor of Medicine and Director of the Division of Endocrinology and Metabolism, University of Arkansas for Medical Sciences (UAMS); Director of the UAMS/VA Center for Osteoporosis and Metabolic Bone Disease; and Chief of the Section of Endocrinology in the Central Arkansas Veterans Healthcare System. Dr. Manolagas’s research interests include vitamin D metabolism; the interplay among hormones, cytokines, the hematopoietic/immune system and bone; cellular and molecular mechanisms of the pathogenesis of osteoporosis due to estrogen or androgen deficiency, old age, and glucocorticoid excess; mechanism of steroid hormone-receptor action; and the discovery of anabolic bone therapies. Previous positions include Professor of Medicine as well as Chief of the Section of Endocrinology and Metabolism in the Indianapolis VA Medical Center at Indiana University, and Associate Professor of Medicine in Residence at the University of California in San Diego. His honors and awards include the UAMS Dean’s Distinguished Faculty Lecturer award, 2001; the inaugural Founders Award (Louis V. Avioli Award) of the American Society of Bone and Mineral Research, 2000; the 1999 AlliedSignal award for research on aging; and induction into the Association of American Physicians in 1996. Dr. Manolagas received an MD from the University of Athens Medical School and a PhD from the University of Manchester, England.