Tudor I. Oprea is a digital drug hunter with three decades of experience in artificial intelligence and knowledge management in target and drug discovery. Three of the drugs he co-invented reached clinical trials, including R-ketorolac which he repurposed for ovarian cancer. His validated machine learning models cover diseases, targets and chemicals, and he has made significant contributions in disease and chemical biology. Oprea co-created DrugCentral and Pharos two open-source platforms. Tudor is now CEO at Expert Systems Inc (San Diego, CA) and Professor Emeritus of Medicine, UNM Health Sciences Center (Albuquerque, NM).