Mary Elliott-Davies is a Research Practitioner at the Police Federation of England and Wales' Head Quarters in Leatherhead, Surrey. She has a BSc in Psychology from the University of Sussex and was awarded a MSc in Forensic Psychology at the University of Surrey in 2013. She has presented at several conferences on a wide range of policing specific topics as well as being a named author on several published articles. Although Mary is interested in a wide range of investigative and occupational psychology, she is particularly interested in wellbeing within the police service, operational decision making and cognition. Currently, she is collaborating with other academics on several research projects as part of her role at the Police Federation of England and Wales, as well as beginning a part-time PhD at Royal Holloway exploring single-crewing, stress and decision making.