Staff Directory


Contact Details

Log in to update your profile


BA (Hons), MA, PhD, FHEA


Dr Simon Williams is currently Subject Leader for Public Health in the Faculty of Life Sciences and Education. His undergraduate and postgraduate teaching includes modules in Epidemiology & Public Health, Physical Activity & Health, and Investigating Health & Wellbeing. Simon also supervises undergraduate and postgraduate (MSc, MPhil, PhD) dissertations in the areas of obesity, physical activity and public health and he is the Course Leader for the on-line MSc in Obesity and Weight Management.
Simon is currently Chair of the UK Association for the Study of Obesity, a member of the Welsh Obesity Society steering group and sits on the advisory board for the National Exercise Referral Scheme in Wales.

Areas of Expertise

  • Epidemiology of Obesity and Cardiometabolic Disease
  • Physical Activity and Health
  • Epidemiological Methods
  • Clinical Exercise Physiology
  • Weight managemement
  • Body composition assessment
  • Growth, development and childhood obesity



  • Head of the Division of Sport, Health and Exercise Science, University of Glamorgan
  • External Examiner, BA/BSc Sport and Physical Activity, Strathclyde University.
  • External Examiner, MSc Nutrition, Physical Activity and Public Health, University of Bristol


Subject Leader for Public Health
MSc Obesity & Weight Management Course Leader


Publications/Presentations since 2015
Simpson, S., Williams, S. et al A feasibility randomised controlled trial of a motivational interviewing intervention for weight loss maintenance in adults. NIHR Journals Library, Health Technology Assessment, Volume 19, Issue 50, July 2015.
Stratton, G., Williams, S. et al. Healthy Active Kids Report Card (Wales). September 2014. (accessed 13th July 2016).
Webster, S., Carter, B and Williams, S. Physical Activity, Obesity and Diabetes in Men: Analysis of Welsh Health Survey (2013) Data. Public Health Wales ‘Research in Wales’ Showcase Event. 9th November, 2015.
Spacey, H., Retallick, C and Williams, S. Obesity and quality of life in National Exercise Referral Scheme participants. UK Obesity Congress, Nottingham, 2016.
Belcher, S., Retallick, C., Martin, R, Williams, S et al. Exercise and weight loss in obese adults diagnosed with lower limb osteoarthritis: An evaluation of the Cwm Taf Joint Care Programme. UK Obesity Congress, Nottingham, 2016.
Stratton G, Cox R, Mannello M, Mattingley R, Robert C, Sage R, Taylor S, Williams S, Tyler R. (2016). Active Healthy Kids Wales 2016 Report Card.
Tyler, R., Williams, S., Stratton, G et al. Results from Wales’ 2016 Report Card on Physical Activity for Children and Youth: Is Wales Turning the Tide on Children’s Inactivity? Journal of Physical Activity and Health 13 (Suppl 2): S330-336; 2016.
World Obesity Federation report: Tackling Weight Bias, Stigma and Assumptions Together, World Obesity Federation (invited contributor).
Di Battista, E., Yeoman, A., Williams, S and Kenkre, J. The TREating Liver Study: The Development and Feasibility of a Time Restricted Eating Intervention for Obesity and Non-Alcoholic Fatty Liver Disease. UK Obesity Congress, Pontypridd, September 2017.
Sadler, A., Di Battista, E., Wood, S., Datta, D., Quirke, S., Haboubi, N and Williams, S. The Development of an All-Wales Evaluation Framework for Level 3 Weight Management Services: An Initial Benchmarking Exercise. UK Obesity Congress, Pontypridd, September, 2017.


Association for the Study of Obesity (Chair)
Welsh Obesity Society
National Exercise Referral Scheme (Wales) Advisory Board



My principal research interests and current studies are listed below.

Research Interests:

  • Epidemiology of obesity and cardiometabolic disease
  • The effect of physical activity on individual and population health
  • Weight management

Current Research:

  • The Effect of a Time Restricted Eating Intervention on Non-Alcoholic Fatty Liver Disease: A Mixed-Methods Feasibility Study (with Dr Enzo Di Battista and Dr Andrew Yeonman, Aneurin Bevan University Health Board).
  • Evaluation of a Community Nordic Walking Programme for Older Adults (in collaboration with Age Cymru).
  • Various literature reviews related to physical activity and obesity policy.

Research funding sources

  • British Heart Foundation.
  • National Public Health Service.
  • Bevan Foundation.
  • National Institute for Health Research (Health Technology Assessment Programme)
  • RCBC Wales

Areas of Expertise

Obesity, metabolic syndrome, type 2 diabetes and physical activity epidemiology
Childhood obesity
Physical activity and health
Body composition assessment
Weight management



If you are a journalist on deadline and you need to speak with a member of university staff with particular expertise, please contact the Press Office.