Elizabeth Williams

Dr. Elizabeth Williams

Research Associate

-Ph.D--MMath--FHEA-

Hello and Welcome! 😀

I'm Elizabeth - I split my time between research and healthcare analytics. I'm a part-time Research Associate at Cardiff University's School of Mathematics and a Principal Analyst at Cardiff and Vale University Health Board.

About me

Research Interests

I am interested in the application of Operational Research to healthcare services. My work focuses on developing mathematical models and algorithms to enhance the planning and delivery of care. I currently split my time between working within an NHS Health Board on service improvement projects, and at Cardiff University, where I focus on planning and optimising end-of-life care services.

Qualifications

Publications

Check out my ResearchGate or Google Scholar profiles for my latest publications!

  1. 2025
  2. Queues under stochastic priority switching.

    Palmer, G.I., Panayides, M., Knight, V. and Williams, E.

    Journal of the Operational Research Society, 2025, 1-19.

  3. Predictive and Prescriptive Analytics for Multi-Site Modelling of Frail and Elderly Patient Services.

    Williams, E.M., Gartner, D, and Harper, P.

    Journal of the Operational Research Society, 2025, 1-19.

  4. Analytics for the location planning of attention-deficit hyperactivity disorder monitoring capacity in adolescents.

    Williams, E.H, Williams, E.M, Gartner, D, Johns, G, and Ahuja, A.

    Presented at: 13th IEEE International Conference on Healthcare Informatics (ICHI 2025), Rende, Italy, 18-21 June 2025.

  5. Mathematical Methodology for Defining a Frequent Attender within Emergency Departments.

    Williams, E. Brice, S.N., Price, D.

    Front. Disaster Emerg. Med. Sec. Emergency Health Services 2025 3.

  6. 2024
  7. Capacity planning of virtual wards for frail and elderly patients.

    Grange, H., Johns, G., Ahuja, A., Harper, P., Williams, E. and Gartner, D.

    Healthcare 2024 12(5), 533.

  8. 2022
  9. Linking predictive and prescriptive analytics of elderly and frail patient hospital services.

    Williams, E., Gartner, D. and Harper, P.

    Presented at: 10th IEEE International Conference on Healthcare Informatics (ICHI 2022), Rochester, MN, United States, 11-14 June 2022.

  10. Prescriptive healthcare analytics: a tutorial on discrete optimization and simulation.

    Gartner, D., Williams, E. and Harper, P.

    Presented at: 10th IEEE International Conference on Healthcare Informatics (ICHI 2022), Rochester, MN, United States, 11-14 June 2022.

  11. 2021
  12. A survey of OR/MS models on care planning for frail and elderly patients.

    Williams, E., Gartner, D. and Harper, P.

    Operations Research for Health Care 31, 100325.

  13. 2020
  14. Discrete-event simulation modeling of critical care flow: new hospital, old challenges.

    Williams, E., Szakmany, T., Spernaes, I., Muthuswamy, B. and Holborn, P.

    Critical Care Explorations 2(9), e0174.

  15. Mathematical modeling of critical care flow: how can we best cope with increasing demand?

    Williams, E., Spearnes, I., Muthuswamy, B., Holborn, P. and Szakmany, T.

    Presented at: Society of Critical Care Medicine Congress (SCCM), Orlando, FL, United States, 16-19 February 2020.

Conference Presentations

Courses / Workshop Attendance

Teaching Responsibilties

Lecturing at Cardiff University - 2024 to present

  • MAT009 - Healthcare Modelling - Module Lead
  • MAT031 - Further Operational Research

Lecturing at Cardiff University - 2023 to 2024

  • MAT005 - Time Series and Forecasting
  • MA2601 - Operational Research
  • MAT009 - Healthcare Modelling - Guest lectures

Tutorials at Cardiff University - 2019 to 2023

  • MA1003 - Computing For Mathematics - Python Labs
  • MAT022 - Foundations of Statistics and Data Science - R Labs
  • MA1050 - Introduction to Probability Theory - Tutorials
  • MA2601 - Operational Research - Simul8 Labs
  • MAT021 - Foundations of Operational Research and Analytics - Simul8 Drop in Sessions and Marking

University of South Wales - 2019

  • MS2S08 - Management Science - Simul8 Labs

Awards

Funding Acquired

Community Building and Organisation