Patrick Riley is a principal engineer and the senior researcher on the Google Accelerated Science team. His team collaborates with external scientists to apply Google's knowledge and experience in machine learning and other computational approaches to important scientific problems. His work includes applications in drug discovery, quantum chemistry, materials science, and nuclear fusion. He got his Ph.D. from Carnegie Mellon University studying artificial intelligence in multi-agent systems. Before Google Accelerated Science, he spent the first part of his 12 years at Google in web search, where he developed search features and led a number of efforts on search logs collection and analysis of user behavior.