Jeff Dean is a Google senior fellow in Google’s Research Group, where he cofounded and leads the Google Brain team, Google’s deep learning and artificial intelligence research team. He and his collaborators are working on systems for speech recognition, computer vision, language understanding, and various other machine learning tasks. During his time at Google, Jeff has codesigned and implemented many generations of Google’s crawling, indexing, and query serving systems, major pieces of Google’s initial advertising and AdSense for content systems, and Google’s distributed computing infrastructure, including the MapReduce, BigTable, and Spanner systems, protocol buffers, LevelDB, systems infrastructure for statistical machine translation, and a variety of internal and external libraries and developer tools. Jeff is a fellow of the ACM and the AAAS, a member of the US National Academy of Engineering, and a recipient of the ACM-Infosys Foundation Award in the Computing Sciences. He holds a PhD in computer science from the University of Washington, where he worked with Craig Chambers on whole-program optimization techniques for object-oriented languages, and a BS in computer science and economics from the University of Minnesota.