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BMJ-TAG staff

BMJ-TAG staff


Left to right: Dr Sam Barton (Principal HTA Analyst), Dr Steve Edwards (Director of HTA),  Gemma Marceniuk (Associate Health Economist), Dr Charlotta Karner (HTA Analysis Manager), Tracey Jhita (Health Economics Manager),  Peter Cain (Senior Health Economist), Dr Victoria Wakefield (Principal HTA Analyst), Kayleigh Kew (Senior HTA Analyst), Mariana Bacelar (Principal Health Economist).

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 and NIHR. 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

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 10 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.

Kayleigh Kew MA (Cantab), Senior HTA Analyst

Kayleigh has worked in the synthesis and appraisal of health evidence since 2011. She has worked as a systematic reviewer for Cochrane at St George's, University of London and for the NICE National Collaborating Centre for Mental Health at UCL. She has written 28 systematic reviews, primarily in the field of respiratory medicine. Kayleigh was previously based in Clinical Neurosciences at Addenbrooke's and King's College Hospitals, diagnosing and rehabilitating people with brain injury, epilepsy and dementia. She holds a degree in Natural Sciences from the University of Cambridge. 


Health Economists

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.

Peter Cain MMath MSc, Senior Health Economist

Peter graduated from the University of Sheffield with an undergraduate degree in Mathematics and a MSc in Health Economics and Decision Modelling. Prior to joining the BMJ Technology Assessment Group he worked at the National Guideline Centre, helping to develop NICE guidelines for conditions such as trauma and acute medical emergencies. His main interests are in health economic modelling and statistics.

Gemma Marceniuk MSc BSc, Associate Health Economist

Gemma has a BSc in Economics and a MSc in Economics and Health Economics. Prior to joining the BMJ Technology Assessment Group, Gemma worked at the National Guideline Alliance, helping to develop NICE guidelines for conditions such as cerebral palsy and cystic fibrosis. Gemma is particularly interested in populations with neurodisabilities and has participated in projects at The National Hospital for Neurology and Neurosurgery analysing EQ-5D data.