Our Team
The team
Our Founders
Juliet Mumby-Croft
Juliet was a health economist at a large HEOR consultancy from 1999 to 2015; from 2008 she was the senior director heading up the health economics team.
She went on to be one of two senior principals at another large consultancy, before founding Source with David Trueman in September 2016.
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Juliet has been a visiting lecturer at City, University of London since 2006, running workshops in economic evaluation. Juliet’s areas of expertise include economic modelling, HTA, strategic consultancy, and training.
David Trueman
David has worked as a health economist since 2009.
He was previously a senior consultant at a large HEOR consultancy, specialising in technical modelling and statistical analysis for HTA submissions across Europe, before founding Source with Juliet in September 2016.
Our Health Economics & Statistics Team
Beth Hancock
Consultant Health Economist
Beth develops & adapts cost-effectiveness models, including global economic models and early cost-effectiveness models, and has experience in multiple disease areas.
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She is experienced in delivering HTA submissions for Europe and Asia, and writing the economic sections of NICE and SMC submissions.
She has a BA in Mathematics from the University of Oxford and an MSc in Health Economics from City University, London.
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Fionn Woodcock
Consultant Health Economist
Fionn has been working in market access consultancy since 2014, and joined Source in 2017.
He is experienced in the design and development of cost-effectiveness models across multiple disease areas and statistical analysis of trial data.
He has an MMath in Mathematics from the University of Warwick and an MSc in Health Economics from City University, London.
Srobana Ghosh
Health Economist
​Srobana joined Source in 2018. She develops budget impact and cost-effectiveness models, and HTA submissions across a broad range of therapies.
She has an MSc in Health, Population & Society from the London School of Economics.
Since joining Source in 2019, Oliver has gained experience building cost-effectiveness and budget impact models for HTA in a variety of disease areas.
In his previous roles, Oliver developed Excel models of medical device markets in Europe, and designed cost-effectiveness analyses in oncology.
Oliver has a BSc in Economics and Mathematics and an MSc in Economics.
Hannah Lomax
Associate Health Economist
Hannah joined Source in 2017.
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She develops global models and local adaptations for HTA, and assists on the economic sections of submissions to NICE and the SMC.
Hannah has an MSci in Mathematics from the University of Birmingham an MSc in Economic Evaluation in Healthcare at City University, London.
Elise Evers
Associate Health Economist
Elise assists in the development of economic evaluations, including global and early models, and adapts models for submission to HTA agencies.
She has an MSc in Health Economics from the University of York.
Prior to joining Source in 2018, Elise completed an internship at the UC Davis Center for Healthcare Policy and Research.
Oliver Burn
Associate Health Economist
Yifeng Liu
Statistician
Yifeng uses his experience in data modelling and knowledge of statistical software to support the development of health economics models.
He also teaches part of the “Understanding Health Economics in Clinical Trials” short course at University College, London.
Yifeng has a BSc and MSc in Biomedical Sciences, and a PhD in Clinical Trials & Health Economics.
Our Systematic Review Team
Neil Webb
Head of Systematic Review
Neil joined Source in 2018.
He was previously a senior consultant at a large HEOR consultancy and worked as team lead for their systematic review and network meta-analysis centre of excellence.
Neil has a BSc in Medical Genetics from Swansea University, which included a year in industry at GlaxoSmithKline.
Julie Fricke
Senior Systematic Review Analyst
Julie has extensive experience in the systematic review process, including protocol development, screening, data extraction, and report writing.
Prior to joining Source in 2018, Julie worked as a methodologist in systematic reviews at John Hopkins University.
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She has an MSc in Evidence-based Social Intervention from the University of Oxford, and is finishing her PhD in Health and Behavioural Sciences via the University of Colorado.
Jenna Stephens
Associate Systematic Review Analyst
Jenna joined Source in 2019 after completing her undergraduate studies in Biomedical Science at the University of Warwick.
Jenna is currently undergoing training and provides support on SLR projects.
Our Medical Writing Team
Deb Burford
Head of Medical Writing
Deb has been a market access medical writer since 2011 and joined Source in 2019.
Previously, Deb was leading the medical writing team at a large HEOR consultancy. She also worked at the University of Oxford for Cancer Research UK, writing information packs for the NHS Cancer Screening Department.
Deb has a BSc in Biochemistry from the University of Dundee and a PhD in Human/Medical Genetics from the University of Cambridge.
Chris Hellmund
Medical Writer
Chris writes and edits HTA submissions (NICE and SMC), written materials for conferences and technical documents.
Chris has a PhD in Medical Science and a BA in Natural Sciences (both from the University of Cambridge), and is a member of the European Medical Writers association.
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