Mari's main interests are linked to simulation modelling in health care settings. She has worked on many varied projects including service evaluations, clinical trials, workforce planning and cancer care pathways. Mari's areas of expertise are quantitative analysis, mainly using statistics and mathematical modelling to aid decision making in the NHS.

Areas of Expertise

  • Operational Research
  • Simulation
  • Mathematics


  1. Byrne, A., Adamson, D., Porter, C., Blazeby, J., Griffiths, G., Nelson, A., Sewell, B., Jones, M., Millin, T., Staffurth, J., Crosby, T., & Hurt, C. Radiotherapy after esophageal cancer stenting (ROCS): A pragmatic randomized controlled trial evaluating the role of palliative radiotherapy in maintaining swallow.. Journal of Clinical Oncology, 38(15_suppl), 4569-4569.
  2. Jones, M., Sewell, B., Jones, M., Gray, H., Wilkes, H., Lloyd-Bennett, C., Beddow, K., Bevan, M., & Fitzsimmons, D. Rapid cancer diagnosis for patients with vague symptoms: a cost-effectiveness study. British Journal of General Practice, 70(692), e186-e192.
  3. Coffey, M., Hannigan, B., Meudell, A., Jones, M., Hunt, J., Fitzsimmons, D., & Fitzsimmons, D. Quality of life, recovery and decision-making: a mixed methods study of mental health recovery in social care. Social Psychiatry and Psychiatric Epidemiology, 54(6), 715-723.
  4. Jones, M., Csontos, J., Fitzsimmons, D., Wilkinson, W., Horton, J., Love-Gould, L., Tee, A., & Watts, T. Realist evaluation of cancer rehabilitation services in South Wales (REEACaRS): a mixed methods study protocol. BMJ Open, 9(4), e025953
  5. Fitzsimmons, D., Phillips, C., Bennett, H., Jones, M., Williams, N., Lewis, R., Sutton, A., Matar, H., Din, N., Burton, K., Nafees, S., Hendry, M., Rickard, I., & Wilkinson, C. Cost-effectiveness of different strategies to manage patients with sciatica. PAINĀ®

See more...


  • Trends in opioid prescribing and associated resource utilisation in Wales (TOPAS) (current)

    Other supervisor: Prof Jaynie Rance
    Other supervisor: Dr Berni Sewell
    Other supervisor: Dr Berni Sewell

Research Groups

  • SCHE

    Swansea Centre for Health Economics