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BCom, MPhil.


After receiving a degree in economics in 1972 from McGill University in his native Canada, David came to the UK to undertake postgraduate study at Edinburgh University. His interest in the economics of health began at Aberdeen University where he worked for 5 years as a Research Fellow at the Health Economics Research Unit. David is a longstanding and active member of the UK health economics community and has published widely on a variety of issue in health economics. He has been a member of numerous committees and working parties including the Royal College of Physicians Working Party on Preventive Medicine and the Department of Health Advisory Group on Genetics Research. He has acted as specialist adviser to World Health Organisation and to the House of Commons Select Committee on Welsh Affairs. He has also been a member of several research funding organisations including the Medical Research Council’s Health Service and Public Health Research Board and both the National Institute for Health Research Health Technology Assessment (HTA) and Service Delivery and Organisation (SDO) national programmes. David is currently a member of the Scientific Committee of the National Prevention Research Initiative which is administered by MRC on behalf of 11 major UK funding bodies.


Co-vice Chair, Programme Board, NHS Service Delivery and Organisation National R&D Programme

Board member, NICE Collaborating Centre for Cancer

Member, Dept. of Health Advisory Group on Genetics Research

Member, Commissioning Panel, Medical Research Council (Health Services and Public Health Research Board), NIHR HTA National R&D Programme, NIHR SDO National R&D Programme, Wales Office for R&D in Health and Social Care.

Member, Scientific Committee, National Prevention Research Initiative


Director, Health Economics and Policy Research Unit, Faculty of Health, Sport and Science.

Director, Welsh Health Economics Support Service (NISCHR funded collaboration of health economics units at Glamorgan, Swansea and Bangor Universities.


TS Maughan, � D Cohen et al A multicentre randomised trial comparing survival, palliation and quality of life for 3 chemotherapy regimens in metastatic colorectal cancer. Lancet 2002; 359:1555 – 1663.

Williams J. Cheung WY, Cohen D, et al. Can RCTs rely on existing electronic data? Health Technology Assessment 2003; 7(26): 1 – 130 .

Hale JP, Cohen D, Maughan TS, Stephens RJ. Costs and consequences of three chemothrapy regimens in metastatic colorectal cancer. British Journal of Cancer 2002, 86; 1684-1690.

Edwards RT, Boland A, Cohen D, Wilkinson C, Williams J. Clinical and lay preferences for the explicit prioritisation of elective waiting lists: Survey evidence from Wales. Health Policy. 2003;63(3):229-237.

Cohen D, Longo M, Williams J, Cheung W, Hutchings H. Russell I. Estimating the marginal value of �better� research output: �Designed’ v. �routine� data in randomised controlled trials. Health Economics. 2003;12(11):959-974.

Holloway RM � Cohen D, et al Cluster randomised trial of risk communication to enhance informed uptake of cervical screening. British Journal of General Practice 2003;53:620-625.

Beddow A, Cohen D. Tracking health (and social) care spending in Wales. International Journal of Public Sector Management. 2003; 16 (5): 337-345.

Cohen D, Barton G, Gray J, Brain K. Health economics and genetic service development: A familial cancer genetic example. Familial Cancer. 2004; 3 (1): 61-67.

Cohen D, Longo MF, Hood K, Edward A, Elwyn G. Resource effects of training general practitioners in risk communication skills and shared decision making competences. Journal of Evaluation in Clinical Practice. 2004; 10 (3), 439-445.

Audrey S, Cordall K, Moore L, Cohen D, Campbell R. The Development and Implementation of a peer-led intervention to prevent smoking among secondary school students using their established social networks. Health Education Journal. 2004;63(3):266-284.

Hutchings HA, Cheung WY, Williams JG, Cohen D, Longo MF, Russell IT. Can electronic data act as surrogate for patient assessed outcome measures? International Journal of Technology Assessment in Healthcare. 2005: 21(1); 138-143 .

Longo M, Cohen D, et al Involving patients in primary care consultations: assessing preferences using Discrete Choice Experiment. British Journal of General Practice. 2006; 56(522); 35 – 42.

Williams JG � Cohen D, et al. Gastroenterology services in the UK. The burden of disease, and the organisation and delivery of services for gastrointestinal and liver disorders: a review of the evidence. Gut 2007; 56 (suppl 1): 1-113.

Croft G, Williams JG, Mann RY, Cohen D, Phillips CJ. Can hospital episode statistics support appraisal and revalidation? Randomisesd study of physician attitudes. Clinical Medicine 2007;7(4):332-338.

Alam, F. Cohen D. et al. Additional costs of antibiotics and re-consultations for antibiotic resistant E.coli urinary tract infections managed in general practice. International Journal of Antimicrobial Agents 2009;23:255-257.

Stead M, Angus K, Tait G. Cohen D. Holmes I. Factors influencing European GPs� engagement in smoking cessation: a multi-country literature review. British Journal of General Practice 2009;59:682-690.

Simpson SA, Butler C, Hood K, Cohen D, Dunstan F, Evans MR, Rollnick S, Moore L, Hare M, Bekkers MJ, Evans J. Stemming the Tide of Antibiotic Resistance (STAR): A protocol for a trial of a complex intervention addressing the ‘why’ and ‘how’ of appropriate antibiotic prescribing in general practice. BMC Family Practice 2009,10:20

Griffiths GO, Burns S, Noble I, Macbeth FR, Cohen D, Maughan TS. FRAGMATIC: A randomised phase III clinical trial investigating the effect of FRAGMin® Added to standard Therapy In patients with lung Cancer. BMC Cancer 2009, 9:355

Cohen D and Patel N. The potential to forgo social welfare gains through overreliance on cost effectiveness/cost utility analyses in the evidence base for public health. Journal of Environmental and Public Health 2009, doi:10.1155/2009/107927

Simpson S, Barnes E, Griffiths E, Hood K, Cohen D, Craddock N, Jones I, Smith D. The Bipolar Interactive Psychoeducation (BIPED) study: trial design and protocol. BMC Psychiatry 2009;9:50

McNamara R, � Cohen D, et al. Development and Evaluation of a Psychosocial Intervention for Children and Teenagers Experiencing Diabetes (DEPICTED): a protocol for a cluster RCT of the effectiveness of a communication skills training programme for healthcare professionals working with young people with type 1 diabetes. BMC Health Services Research, 2010,10:36

Cohen D, Alam MF, Dunstan FDJ, Myles S, Hughes DA, Routledge PA, Abolition of prescription co-payments in Wales: an observational study on dispensing rates. Value in Health, 2010;13(5):675-680

Groves S, Cohen D, Alam F, Myles S, Hughes D, Dunstan F, Routledge P. Abolition of prescription charges in Wales: The impact on medicines-use in those who used to pay International. International Journal of Pharmacy Practice 2010;18(6):332-340

Spanou C, Simpson S, Hood K, Edwards A, Cohen D, Rollnick S, Carter B, McCambridge J, Moore L, Randell E, Pickles T, Smith C, Lane C. Wood F, Thornton H, Butler C. Preventing disease through opportunistic, rapid engagement by primary care teams using behaviour change counselling (PRE-EMPT): protocol for a general practice-based cluster randomised trial. BMC Family Practice 2010;11:69

Snooks H, Evans BA, Cohen D, Nugent M, Rapport F, Skone J, Meredith A, Davies T, O’Sullivan D. Costs and effects of a healthy living approach to community development in 2 deprived communities. BMC Public Health 2011;11:25

Towson J, Gregory J, Cohen D, Channon S, Harman N, Davies J, Warner J, Trevelyan N, Playle R, Robling M, Hood K, Lowes L. Delivering Early Care In Diabetes Evaluation (DECIDE): a protocol for a randomised controlled trial to assess hospital versus home management at diagnosis in childhood diabetes. BMC Pediatrics 2011;11:7

Roberts SE, Williams JG, Cohen D, Akbari A, Groves S. Button LA. Feasibility of using routinely collected inpatient data to monitor quality and inform choice: a case study using the UK inflammatory bowel disease audit. Frontline Gastroenterology 2011 doi:10.1136/fg.2009.000208

Cohen D, Lisles C, Brunsdon CF, Batstone T, Williams WR. An exploratory study to evaluate the provision of additional midwifery support to teenage mothers. Public Health 2011;124:632-638

Hollingworth W, Cohen D, Hawkins J, Hughes RA, Moore LAR, Holliday JC, Audrey S, Starkey F, Campbell R. Reducing smoking in adolescents: cost-effectiveness results from the cluster randomised ASSIST (A Stop Smoking In Schools Trial). Nicotine & Tobacco Research 2011 doi: 10.1093/ntr/ntr155

Longley M, Llewellyn M, Beddow T, Cohen D, Corson J, Warner M. A national health inequalities fund for Wales: concept, design and implementation. Health Policy 2011;103(2-3):141-148

Gregory J, Robling M, Bennert K, Channon S, Cohen D, Crowne E, Hambly H, Hawthorne K, Hood K, Longo M, Lowes L, McNamara R, Pickles T, Playle R, Rollnick S, Thomas-Jones E. Development and evaluation by a cluster randomised trial of a psychosocial intervention in children and teenagers experiencing diabetes: the DEPICTED study. Health Technol Assess 2011 Aug;15(29):1-202

Butler C, Simpson S, Dunstan F, Rollnick S, Cohen D, Gillespie D, Evans M, Alam F, Bekkers MJ, Evans J, Moore L, Howe R, Hayes J, Hare M, Hood K. The effectiveness of a multi-faceted educational programme to reduce antibiotic dispensing in primary care: a practice-based randomised controlled trial. BMJ 2012; 344 doi: 10.1136/bmj.d8173

Allen D, Cohen D, Robling M, Hood K, Atwell C, Lane C, Gregory J, Lowes L, Channon S, Gillespie D, Groves S. Harvey J. Continuity of Care in the Transition from Child to Adult Diabetes Services: A Realistic Evaluation Study. Journal of Health Services Research and Policy 2012 in press

Perry J, Allen D, Pimm C, Meek A, Lowe K, Groves S, Cohen D, Felce D. Adults with intellectual disabilities and challenging behaviour: the costs and outcome of in- and out-of-area placement. Journal of Intellectual Disabilities Research 2012. In press.

Robling M, McNamara R, Bennert K, Butler C, Channon S, Cohen D, Crowne E, Hambly H, Hawthorne K, Hood K, Longo M, Lowes L, Pickles T, Playle R, Thomas-Jones E, Rollnick S, Gregory J. Training health care practitioners in the ‘Talking Diabetes’ consulting skills intervention: a cluster randomised controlled trial of effects on blood glucose control and quality of life in children with type 1 diabetes (The DEPICTED Study). BMJ 2012. In press.


Health Economists Study Group, International Health Economics Association.


Member, Executive Team, Wales Gene Park

Member, Editorial Board, Health and Social Care in the Community

Member, All-Wales Medicines Strategy Group

External Examiner, University of York, Health Economics for Health Care Professionals, PG Dip and Cert by distance learning


National Assembly for Wales: Evaluation of Welsh Smoking Cessation Services

Torfaen Borough Council: Evaluation of Cymorth Fund (children�s services)


Health economics, economics of health promotion, economic evaluation of health care interventions and policies.

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