Dr. Josh Denny, M.D., M.S., is the Chief Executive Officer of the National Institutes of Health's All of Us Research Program, a nationwide health research program that has already enrolled more than 860,000 participants. All of Us has created one of the world's largest biomedical data sets that more than 18,000 researchers use to improve medical care through personalized insights and scientific discovery. Dr. Denny, who was named CEO in January 2020, led the program's initial prototyping project and the All of Us Data and Research Center. Prior to joining NIH, Dr. Denny held leadership positions at Vanderbilt University Medical Center, where he pioneered the use of electronic health records for genomics studies, including phenome-wide association studies and clinical pharmacogenomics. He is an elected member of the National Academy of Medicine, the American Society for Clinical Investigation, and a fellow of the American College of Medical Informatics. Dr. Denny has authored over 400 peer-reviewed publications.