BMJ UK BMJ India BMJ Brazil BMJ Americas BMJ China

BMJ-TAG staff

BMJ-TAG staff

Director of Health Technology Assessment (HTA)

Dr Steve Edwards DPhil MSc BSc (Hons)

Steve was brought into the BMJ to form the BMJ-TAG. Since April 2011, the group has supported national decision making by completing research projects for NICE, NIHR and Health Improvement Scotland. Personally, Steve has been involved in conducting systematic reviews and health economic evaluations in a range of therapeutic areas including cardiovascular, CNS, gastroenterology, infection, oncology, and respiratory medicine. His interests are in the use of the best available evidence for decision making with an emphasis on the design and conduct of clinical trials, systematic reviews, meta-analyses, network meta-analyses and their subsequent use in economic evaluations. His postgraduate research in this area at the University of Oxford resulted in him being awarded the first doctorate of evidence-based health care. In addition, Steve is an Honorary Senior Lecturer in the Faculty of Public Health and Policy, London School of Hygiene & Tropical Medicine, a member of NICE Technology Appraisal Committee A, and a member of the Cochrane Statistical Methods Group, and the Campbell & Cochrane Economics Methods Group. From 2013 to 2018, Steve was a member of the NICE Diagnostics Advisory Committee.

HTA Analysts

From left to right: Dr Charlotta Karner (HTA Analysis Manager), Dr Sam Barton (Principal HTA Analyst),

Dr Victoria Wakefield (Principal HTA Analyst), Rebecca Boffa (Senior HTA Analyst)

Dr Charlotta Karner PhD MSc, HTA Analysis Manager

Charlotta has been involved in Health Technology Assessment of therapeutics, diagnostics and medical devices since 2013 when she joined the BMJ-TAG. Prior to this, Charlotta conducted systematic reviews as a member of the Cochrane Airways Group. She has worked in a variety of conditions including respiratory medicine, cardiovascular, oncology, mental health and urology. Charlotta has a PhD in physiology from her primary research on the role of airway smooth muscle in asthma. She has an active interest in translating complex research concepts into a format suitable for the general public.

Dr Victoria Wakefield MBChB, Principal HTA Analyst

Vicky has a clinical background with experience in the fields of general surgery, general medicine, general practice, paediatrics and orthopaedic surgery. Vicky is also an experienced systematic reviewer and has contributed to the publication of systematic reviews and guidelines in a variety of clinical areas. In addition she has experience in the process and use of clinical audit to review current clinical practice within both primary and secondary care settings. Vicky has been directly involved in Health Technology Assessment since 2010 and has experience in diagnostic technology assessments as well as medical therapeutics. Her specialist interests are in public health  and translational medicine.

Dr Samantha Barton PhD BSc, Principal HTA Analyst

Sam has re-joined BMJ-TAG as a Senior HTA Analyst, having initially been part of BMJ-TAG from its inception in 2010 and staying with the team for 4 years before moving role. During her time at the BMJ, Sam has acquired over 13 years’ experience of critical appraisal, and systematic reviewing, including acting as lead of the Evidence Team for 2 years. She has extensive experience of different review methodologies for developing guidelines, quality standards, rapid reviews, and full systematic reviews. Sam has worked in various disease areas including prevention and treatment of cardiovascular diseases such as diabetes, angina, atrial fibrillation, heart failure, acute coronary syndrome, and stroke.

Rebecca Boffa MPH BSc (Hons), Senior HTA Analyst

Rebecca is an experienced systematic reviewer and research methodologist with a background in the development of NHS clinical guidelines. During her 5 years at the National Guideline Centre, Rebecca produced a broad range of systematic reviews that informed health policy and practice in the UK (including assessments of medicines and diagnostic technologies, reviews of non-pharmacological interventions, prognostic prediction and qualitative reviews). Rebecca has worked across a wide range of health conditions including cardiovascular medicine, neurology, musculoskeletal and endocrinology. She recently completed her Masters in Public Health, which focused on research methodology and translating current best evidence into clinical practice.

Health Economists

From left to right: Tracey Jhita (Health Economics Manager), Mariana Bacelar (Principal Health Economist),

Sarah Roberts (Senior Health Economist), Gemma Marceniuk (Health Economist).

Tracey Jhita MSc BSc (Hons), Health Economics Manager

Tracey is a health economist who specialises in economic modelling and public health. She has conducted several high profile economic evaluations of health interventions, policies and strategies for organisations such as NICE, the NHS and the European Commission. Technical expertise includes developing cost-benefit analyses using decision and Markov modelling techniques and topic expertise includes preventative interventions for cardiovascular disease and interventions to improve social, emotional and mental well-being.

Mariana Bacelar MSc BSc, Principal Health Economist

Mariana has a BSc in Economics and a MSc in Health Economics. Prior to joining the BMJ Technology Assessment Group, Mariana has been involved in conceptualising and developing Public Health economic models for organisations such as NICE and the European Commission; and providing health economics advisory services to various organisations, including not-for-profit companies. Mariana has been involved in Health Technology Assessment since 2013 and her main interests are in health economics modelling and the implementation of HTA programmes in different countries. Mariana has recently participated in a project in Brazil, helping to develop the country's HTA programme.

Sarah Roberts MSc BA (Hons), Senior Health Economist

Sarah is a health economist specialising in economic modelling, specifically in the areas of mental health, public health and criminal justice. Sarah began her health economics career building models to support NICE guidance in 2012. She joined BMJ-TAG from an academic group where she was the in-house modelling specialist and health economist for clinical trials. Sarah is an experienced modeller specialising in discrete event simulation, Markov models and decision analytic methods from conceptualisation to delivery. 

Gemma Marceniuk MSc BSc, Health Economist

During her time at the BMJ, Gemma has acquired over 4 years’ experience supporting health technology submissions for NICE. Gemma is also experienced in designing, running and critiquing complex literature searches to support the conduct of systematic reviews on a wide variety of clinical conditions. More recently, Gemma has led the appraisal of health economic components of allocated health technology submissions for the SMC. Gemma has previously worked with NICE producing national clinical guidelines.