Colin Henry is a social scientist working on problems at the intersection of political behavior and digital technology, with a special focus violent politics and extremism. His research interests include online community dynamics, classification of hate speech, and emerging structures of the social internet. He joined the IPZ in October 2024 as a postdoctoral researcher in the SNF-Project "Improving the Quality of Online Public Discourse", directed by Fabrizio Gilardi and Karsten Donnay.