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 100 research papers, has been awarded 6 patents, and is a co-author of "Search Engines: Information Retrieval in Practice". He currently leads a research team focused on content origination and counter-abuse modeling at scale. Before that he led the G Suite search quality and intelligence team.