John P.A. Ioannidis, MD, DSC, holds the C.F. Rehnborg Chair in Disease Prevention at Stanford University where he is professor of medicine, professor of health research and policy, and professor of statistics (by courtesy) at the School of Humanities and Sciences. From 1999 until 2010, Dr. Ioannidis chaired the department of hygiene and epidemiology at the University of Ioannina School of Medicine in Greece. He trained at the University of Athens School of Medicine in Greece, Harvard and Tufts, and also held appointments at the U.S. National Institutes of Health, Johns Hopkins, Tufts, Harvard, and Imperial College London.
Dr. Ioannidis is one of the most-cited scientists of all times in the scientific literature. His current research at Stanford covers a wide agenda, including meta-research, large-scale evidence, population health sciences and predictive medicine and health. He has received numerous awards, including the European Award for Excellence in Clinical Science, and has been inducted into the Association of American Physicians and the European Academy of Cancer Sciences. Dr. Ioannidis is recognized as the leading clinical research methodologist of his generation for his work in evidence-based medicine and in appraising and improving the credibility of scientific studies and results. The PLoS Medicine article, "Why Most Published Research Findings are False," was the most accessed and downloaded article in the history of PLoS. The Atlantic selected Dr. Ioannidis as the Brave Thinker scientist for 2010, characterizing him as one of the most influential scientists alive.