John P.A. Ioannidis, MD, DSc is the C.F. Rehnborg Professor in Disease Prevention, and Professor of Medicine, of Health Research and Policy, and of Statistics. Dr. Ioannidis is internationally recognized as a leader in empirical studies assessing biases, replication, and reliability of research findings in biomedicine and beyond. He has served as President of the Society for Research Synthesis Methodology, Senior Advisor for Knowledge Integration at the National Cancer Institute, editorial board member of 30 leading international journals and Editor-in-Chief of the European Journal of Clinical Investigation. He is one of the most-cited scientists worldwide. His PLoS Medicine paper on “Why most Published Research Findings are False,” has been the most-accessed article in the history of Public Library of Science with over 1 million hits.