The Data Justice Lab is a center for research and engagement at the School of Journalism, Media and Culture (JOMEC) at Cardiff University, UK. It explores the intricate relationship between datafication and social justice, highlighting the politics and impacts of data-driven processes and big data. It was founded by Lina Dencik. Arne Hintz and Joanna Redden who also conducted the research project ‘Data Scores as Governance’ on which this text is based.