Stefan Berger is Professor of Social History and Director of the Institute for Social Movements at Ruhr University Bochum, Germany. He is the co-editor of Contested Transparencies, Social Movements and the Public Sphere: Multi-Disciplinary Perspectives and The History of Social Movements in Global Perspective.

Susanne Fengler is Professor of International Journalism and Director of the Erich Brost Institute for International Journalism at TU Dortmund University. She is the co-editor of Journalists and Media Accountability, Mapping Media Accountability in Europe and Beyond, and the European Handbook of Media Accountability.

Dimitrij Owetschkin is a Permanent Research Fellow at the Institute for Social Movements at Ruhr University Bochum, Germany. He is the co-editor of Contested Transparencies, Social Movements and the Public Sphere: Multi-Disciplinary Perspectives.

Julia Sittmann is Research Associate at the Institute for Social Movements at Ruhr University Bochum, and a writer and editor at Deutsche Welle Akademie, Germany.