Donald Metzler is a Senior Staff Software Engineer at Google Inc. Prior to that, he was a Research Assistant Professor at the University of Southern California (USC) and a Senior Research Scientist at Yahoo!. He has served as the Program Chair of the WSDM, ICTIR, and OAIR conferences and sat on the editorial boards of all the major journals in his field. He has published over 50 research papers, has been awarded 4 patents, and is the author of "A Feature-Centric View of Information Retrieval" and co-author of "Search Engines: Information Retrieval in Practice". He currently leads the team that is responsible for delivering great search and intelligence experiences to users of Google's productivity suite, which includes Gmail, Drive, Calendar, etc.