Mary Dixon-Woods is Director of THIS Institute and The Health Foundation Professor of Healthcare Improvement Studies in the Department of Public Health and Primary Care at the University of Cambridge. She is a fellow of the Academy of Social Sciences and the Academy of Medical Sciences, an honorary fellow of the Royal College of Physicians, the Royal College of General Practitioners, and the Royal College of Obstetricians and Gynaecologists, and is Professorial Fellow at Homerton College, Cambridge. She was a Wellcome Trust Senior Investigator 2012-2019. Mary was the Harveian Orator for the Royal College of Physicians in 2018, the 500th anniversary of the College’s founding. She is a member of the BMJ’s international advisory board. Mary’s programme of research is concerned with generating a high quality evidence-base to support improvement in the organisation, quality and safety of healthcare. Characteristically using mixed-methods approaches, her work focuses on evaluation of quality and safety improvement interventions and programmes, culture and behaviour in health systems, and regulation and governance of health research and care. She has a special interest in methodological innovation in the study of healthcare improvement.