Dr Kelechi Nnoaham

Dr Kelechi Nnoaham

External Advisor

Discretionary Member



Kelechi qualified with a medical degree from the University of Lagos, Nigeria in 1999, and worked until September 2003 in general medicine and infectious diseases in different settings – rural/urban, deprived/affluent. During study for an MSc in Tropical Medicine & International Health (with Distinction) at the London School of Hygiene and Tropical Medicine, he won the Frederick-Murgatroyd prize for academic excellence. In the period that followed, Kelechi’s research on experiences of stigma amongst African migrants living with tuberculosis in East London received international recognition for its findings on health system-related diagnostic delays. He later studied for an MPH in Global Health Science (with Distinction) at Oxford University and followed that up with a PhD in Public Health & Epidemiology at Oxford University in 2011. For his PhD, Kelechi set up a primary study in 19 clinical centres across 13 countries in 5 continents, collecting and analysing data on chronic pelvic pain in women undergoing surgical evaluation for a possible diagnosis of endometriosis. This research formed the basis for development of a clinical tool for symptom-based prediction of a surgical diagnosis of endometriosis and was a feature video article in the Fertility and Sterility journal during 2011.

Kelechi’s subsequent Public Health career has seen him hold posts in the National Health Service and Local Government - Consultant in Public health in NHS Berkshire West (2009-2013) and Service Director for Public Health & then Interim Director of Public Health in Bristol City Council (2013-2014). From April 2014 until October 2016, Kelechi was Director of Public Health in Plymouth City Council. Joining the organisation at a time of uncertainty for the public health system, Kelechi brought dynamic leadership of the population health agenda for the council and the City. He and his team developed the ‘4-4-54’ construct and Thrive Plymouth programme which set out a clear and focused strategy for population health in the city. This became well embedded in the city’s strategic plan until 2036 (The Plymouth Plan), providing a compelling vision around which partners, communities and institutions in the city could rally. Kelechi has since March 2015 held an Honorary Professorship in Public Health and Epidemiology at Plymouth University. 


Since November 2016, Kelechi has been Executive Director of Public Health in Cwm Taf Morgannwg University Health Board, South Wales. In addition, he is the Executive Lead for Research & Development, Innovation and Value-Based Health in the Health Board. In those roles, he has been steering academic and strategic links with academic institutions and industry for Innovation. Kelechi works with a dynamic team of Public Health, Healthcare Improvement and Innovation professionals who are setting out and implementing a system-wide approach to wellbeing based on strong foundations of population health management, prevention, population health research, knowledge mobilisation and collaborative working with communities.

Kelechi is has recently been elected co-chair of the South West Global Health Collaboration. He aspires to continue making notable contributions to global health practice, research, training and education through deploying the core principles of public health in any setting where the need and opportunities exist.

Roles on external bodies

Member, NIHR Prioritisation Committee 

Peer Reviewer, NIHR

Governor, Board of Cardiff Metropolitan University 



Teaching interests

Kelechi currently teaches the on following programmes:

Global Health Masters - University of Plymouth - Global Health Needs Assessment, Prioritisation and Evaluation

Masters in Public Health - University of South Wales - Epidemiology 

Masters in Public Health - Cardiff University - Health Economics, Policy and Practice 

Undergraduate Medial Teaching - Cardiff University - Health Inequalities



Research interests

Women's Health

Chronic Disease Epidemiology 

Predictive Modelling 

Population Segmentation and Risk Stratification 

Infectious diseases 




1.  Nnoaham, KE, Cann, KF. Can cluster analyses of linked healthcare data identify unique population segments in a general practice-registered population? BMC Public Health 20, 798 (2020).

2.  Olatona FA, Aderibigbe SA, Amu EO, Onabanjo OO, Nnoaham KE. Micro-nutrient related malnutrition and obesity in a university undergraduate population and implications for non-communicable diseases. Journal of Global Health Reports. 2020;4:e2020091

3.  Olatona FA, Sosanya A, Sholeye OO, Obrutu OE, Nnoaham KE. Knowledge of fruits and vegetables, consumption pattern and associated factors among adults in Lagos State, Nigeria. Research Journal of Health Sciences 2018; 6 (2), 50-62

4.  Olatona FA, Onabanjo OO, Ugbaja RN, Nnoaham KE, Adelekan DA. Dietary habits and metabolic risk factors for non-communicable diseases in a university undergraduate population. J Health Popul Nutr, 2018 Aug 16;37(1):21.

5.  Ni Mhurchu C, Eyles H, Genc M, Scarborough P, Rayner M, Mizdrak A, Nnoaham K, Blakely T. Effects of Health-Related Food Taxes and Subsidies on Mortality from Diet-Related Disease in New Zealand: An Econometric-Epidemiologic Modelling Study. PLoS One. 2015 Jul 8; 10(7):e0128477.

6.  Fawole AO, Bello FA, Ogunbode O, Odukogbe AT, Nkwocha GC, Nnoaham KE, Zondervan KT, Akintan A, Abdus-Salam RA, Okunlola MA. Endometriosis and associated symptoms among Nigerian women. Int J Gynaecol Obstet. 2015 Aug; 130(2):190-4.

7.  Mytton OT; Nnoaham KE; Eyles H; Scarborough P; Ni Mhurchu C. Systematic review and meta-analysis of the effect of increased vegetable and fruit consumption on body weight and energy intake. BMC Public Health 2014, 14:886

8.  Nnoaham KE; Webster P; Kumbang J; Kennedy SH; Zondervan KT. Is early age at menarche a risk factor for endometriosis? A systematic review and meta-analysis of case-control studies. Fertil Steril. 2012 Jun 22. [Epub ahead of print]

9.  Nnoaham KE, Pool R, Bothamley G, Grant AD. Perceptions and Experiences of tuberculosis among African patients attending a tuberculosis clinic in London. International Journal of Tuberculosis and Lung Disease 2006; 10(9):1013-1017

10. Nnoaham KE; Hummelshoj L; Kennedy SH; Jenkinson C; Zondervan KT; World Endometriosis Research Foundation Women's Health Symptom Survey Consortium. Developing symptom-based predictive models of endometriosis as a clinical screening tool: results from a multicenter study. Fertil Steril. 2012 May 30. [Epub ahead of print]

11. Martin O´Flaherty; Gemma Flores-Mateo; Kelechi Nnoaham; Ffion Lloyd-Williams; Simon Capewell. Potential cardiovascular mortality reductions with stricter food policies in the United Kingdom of Great Britain and Northern Ireland. Bull. World health Organ. 2012;90:522-531

12. Nnoaham KE, Hummelshoj L, Webster P, d'Hooghe T, de Cicco Nardone F, de Cicco Nardone C, Jenkinson C, Kennedy SH, Zondervan KT; World Endometriosis Research Foundation Global Study of Women's Health consortium. Impact of endometriosis on quality of life and work productivity: a multicenter study across ten countries. Fertility & Sterility 2011; 96(2):366-373.e8. Epub 2011 Jun 30.

13. Scarborough P, Nnoaham KE, Clarke D, Capewell S, Rayner M. “Modelling the impact of a healthy diet on cardiovascular disease and cancer mortality.” Journal of Epidemiology and Community Health; 2012, 66(5):420-426.

14. Nnoaham KE, Frater A, Roderick P, et al. Do geodemographic typologies explain variations in uptake in colorectal cancer screening? An assessment using routine screening data in the south of England. J Public Health (Oxford) 2010;32:572–81.

15. Nnoaham KE, Sacks G, Rayner M, Mytton O, Gray A. Modelling income group differences in the health and economic impacts of targeted food taxes and subsidies. Int Journal Epidemiol 2009;38: 1324-1333

16. Nnoaham KE, Sivananthan S, Hummelshoj L, Jenkinson C, Webster P, Kennedy SH, Zondervan KT. Multi-centre studies of the global impact of endometriosis and the predictive value of associated symptoms. Journal of Endometriosis 2009; 1(1):

17. Nnoaham KE, Kumbang J. Transcutaneous electrical nerve stimulation (TENS) for chronic pain. Cochrane Database Systematic Reviews. 2008; (3):CD003222

18. Nnoaham KE, Lines C. Modelling future capacity needs and spending on colonoscopy in the English bowel cancer screening programme. Gut 2008; 57:1238-1245

19. Nnoaham KE, Clarke A. Low serum vitamin D levels and tuberculosis: a systematic review and meta-analysis. International Journal of Epidemiology 2008; 37: 113-119