Sarah T. Roberts is assistant professor of information studies in the Graduate School of Education and Information Studies at the University of California, Los Angeles. She is internationally recognized as a leading scholar on the emerging topic of commercial content moderation of social media; her book on the topic, Behind the Screen: Content Moderation in the Shadows of Social Media, is forthcoming in 2019 from Yale University Press. Professor Roberts is a 2018 Carnegie Fellow and a 2018 winner of the EFF Pioneer Award.