Staff Directory

^{Sudhir Venkatesh is Director of the SIGNAL Lab. He is William B Ransford Professor of Sociology & African-American Studies. He formerly served as the Head of Integrity Research at Facebook and Director of Social Science Research and Health Research at Twitter. He is the host of Sudhir Breaks the Internet, a new podcast with the Freakonomics Radio Network.}

Matt Katsaros is a mixed methods researcher interested in the intersection of social sciences and technology. He has worked on Twitter’s Social Science Research Team helping to make conversations on the platform healthier. Prior to that, he worked at Facebook as a researcher where he used both qualitative and quantitative research methodologies to support both engineering teams building algorithms to proactively detect various types of unwanted content as well as the policy teams creating the governance structures regulating that same content.