His research focuses on the innovation of journalism as a professional field. His 2010 dissertation examined the Knight Foundation's efforts to shape the innovation and ethics of journalism in the digital age. Dr. Lewis' work has been published in peer-reviewed journals including Journalism & Mass Communication Quarterly, Journalism, Journalism Studies, Journalism Practice, and International Journal of Internet Science, among others. With Maxwell McCombs (et al.), he co-edited the 2010 book "The Future of News: An Agenda of Perspectives," and he blogs for the Nieman Journalism Lab at Harvard University. Before joining the faculty at Minnesota, Dr. Lewis received a Ph.D. from the University of Texas at Austin, and previously was assistant sports editor at The Miami Herald and a Fulbright Scholar to Spain.