Dr Sam Sellar is Reader in Education Studies at Manchester Metropolitan University. He was previously Postdoctoral Senior Research Fellow in the School of Education at The University of Queensland. Sam’s research focuses on intersections between education policy, governance and data. He is currently part of an international research team investigating the development of data infrastructure in schools and school systems across the USA, Canada, Australia and Japan. Sam also has a longstanding research interest in the education work of the OECD and particularly PISA. Sam has worked closely with teacher associations around the world to develop understanding about the politics of educational accountability and the commercialization of public education through the provision of data-focused products and services. He is currently an associate editor of Discourse: Studies in the Cultural Politics of Education and was formerly an editor of Critical Studies in Education. Sam is co-author of Globalizing Educational Accountabilities (2016, Routledge) and co-editor of National testing in schools: An Australian assessment (2016, Routledge).