David is a business reporter. Currently, he is the Corner Office columnist for the New York Times. Previously, Gelles covered mergers and acquisitions for The NYT's DealBook. Before joining the Times, he reported on tech and media in San Francisco and New York for the Financial Times.Gelles's first book, "Mindful Work," was published in 2015.Gelles received his B.A. in Philosophy from Boston University, and his M.A. in Journalism from the University of California at Berkeley.