Hal Roberts is a fellow at the Berkman Klein Center for Internet & Society at Harvard University. He is a co-founder and the technical architect of the Media Cloud project. Media Cloud is an open platform that seeks to better understand the networked public sphere by providing tools and data for quantitative and qualitative studies of online media content.
He is the co-author of the book "Network Propaganda: Manipulation, Disinformation, and Radicalization in American Politics," which uses the Media Cloud platform to analyze the American media ecosystem during the 2016 election and the first year of the Trump presidency. He has published papers using Media Cloud on the intersections of online media, democracy, and public health in the Columbia Journalism Review, International Journal of Communications, Political Communications, Journal of Health Communications, and Health and Education.