David Byrne is a retired Professor of Sociology and Applied Social Sciences from the University of Durham and a long time practitioner of action research.

Gill Callaghan is a retired Lecturer in Sociology and Social Policy at Durham University, teaching Social Theory, Evaluation and Research Methods.

Emma Uprichard is Reader at the Centre for Interdisciplinary Methodologies (CIM) at the University of Warwick and an applied social science methodologist.