Owen O'Malley is a Software Architect in Yahoo's Hadoop development team and is an Apache member and member and original chair of Hadoop's Program Management Committee. He has been a Hadoop committer since March of 2006 and more than 200 of his patches have been committed to Hadoop. He was the technical lead on adding security in to Hadoop. Before working on Hadoop, he worked on Yahoo Search's Webmap that builds and analyzes the graph of the World Wide Web. Prior to Yahoo, he worked at NASA Ames Research Center on software model checking and at Sun working on a distributed version control system. He received his PhD in Software Engineering from University of California, Irvine.