Imperial College London


Faculty of MedicineSchool of Public Health

Clinical Reader in Public Health







Charing Cross HospitalCharing Cross Campus





Felix works part time as a clinical reader in the Department of Primary Care and Public Health and a public health doctor. 

Felix's research interests are in digital health, applied artificial intelligence, population health, behaviour change, and measuring quality and safety in healthcare systems. 

He was previously clinical adviser to the Chief Medical Officer at the Department of Health, where he worked on developing national quality and safety policy. He also worked for the World Health Organization’s Patient Safety Programme, where he managed their project on improving patient safety education in medical schools and technology for patient safety.

Felix trained at Oxford University (BA, BM BCh), Harvard University (MPH) and Imperial College (MBA, PhD). He was awarded a Knox Fellowship by Harvard University, the Sir John Brotherston Prize by the Faculty of Public Health in the UK, an Academic Clinical Fellowship by the NIHR, and a Harkness Fellowship in Health Care Policy and Practice by the Commonwealth Fund.

Selected Publications

Journal Articles

Marsden J, White M, Annand F, et al., 2019, Medicines associated with dependence or withdrawal: a mixed-methods public health review and national database study in England, Lancet Psychiatry, Vol:6, ISSN:2215-0366, Pages:935-950

Greaves F, Joshi I, Campbell M, et al., 2018, What is an appropriate level of evidence for a digital health intervention?, The Lancet, Vol:392, ISSN:0140-6736, Pages:2665-2667

Steel N, Ford JA, Newton JN, et al., 2018, Changes in health in the countries of the UK and 150 English Local Authority areas 1990–2016: a systematic analysis for the Global Burden of Disease Study 2016, The Lancet, Vol:392, ISSN:0140-6736, Pages:1647-1661

Michie S, Yardley L, West R, et al., 2017, Developing and Evaluating Digital Interventions to Promote Behavior Change in Health and Health Care: Recommendations Resulting From an International Workshop, Journal of Medical Internet Research, Vol:19, ISSN:1438-8871

Rutter H, Savona N, Glonti K, et al., 2017, The need for a complex systems model of evidence for public health., The Lancet, Vol:390, ISSN:0140-6736, Pages:2602-2604

Burton R, Henn C, Lavoie D, et al., 2016, A rapid evidence review of the effectiveness and cost-effectiveness of alcohol control policies: an English perspective, The Lancet, Vol:389, ISSN:0140-6736, Pages:1558-1580

Hawkins JB, Brownstein JS, Tuli G, et al., 2016, Measuring patient-perceived quality of care in US hospitals using Twitter, BMJ Quality & Safety, Vol:25, ISSN:2044-5423, Pages:404-413

Greaves F, Ramirez Cano D, Millett C, et al., 2013, Harnessing the cloud of patient experience: using social media to detect poor quality healthcare., Bmj Qual Saf

Greaves F, Pape UJ, King D, et al., 2012, Associations Between Web-Based Patient Ratings and Objective Measures of Hospital Quality, Archives of Internal Medicine, Vol:172, ISSN:0003-9926, Pages:435-436

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