MATTIAS WAHLSTRÖM is Associate Professor of sociology and Assistant Head of Department with responsibility for research and postgraduate studies at the Department of Sociology and Work Science, University of Gothenburg, Sweden. Mattias is co-coordinator of the local research milieu CSM-RESIST and co-coordinator of the European Sociological Association Research Network 25 Social Movements. He defended his doctoral dissertation on protest policing in 2011 and has since published widely on social movements, political protests, and the governance of dissent. Between 2009 and 2013 he was part of the international research programme “Caught in the act of protest: contextualizing contention (CCC)” and a follow-up research project focusing on Pride parades in Europe and Mexico, subsequently co-authoring the book Pride Parades and LGBT movements (Routledge). Mattias was one of the coordinators for the international surveys of Fridays For Future climate protests in 2019. He is currently the principal investigator of a research project on visions in the climate movement.