Michael Schudson has been a professor of journalism at Columbia University since 2006 part time, and since 2009 full time. Prior to that, he taught sociology and communication at the University of Chicago (1976-80) and at the University of California, San Diego (1980-2009). Schudson is the author or editor of numerous books on the history and sociology of the American news media, the history of U.S. citizenship and political participation, and related topics. He is the co-author, with Leonard Downie, Jr., of a report commissioned by the Columbia Journalism School, The Reconstruction of American Journalism (2009). His latest books are Why Journalism Still Matters (Polity, 2018) and Journalism: Why It Matters (Polity, 2020). Schudson also publishes frequently in both academic and general-interest journals.