Contact information
Research Groups
Jon Massey
MSc PhD
Research Software Engineer
Jon is a software engineer and data scientist focusing on the OpenSAFELY research platform, with over a decade of experience of commercial and research data engineering. He has an interest in unlocking the value in routinely collected data whilst preserving the uncertainty of those data and the privacy of their subjects. His previous work includes machine vision, natural language processing, privacy-preserving record linkage and open data standards supporting animal welfare and antimicrobial resistance research. He holds and MSc in software engineering from the University of the West of England, a PhD in Applied Data Science from Bristol Veterinary School and is a Software Sustainability Institute 2020 Fellow.
Recent publications
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Antibiotics for common infections in primary care before, during and after the COVID-19 pandemic: cohort study of extent of prescribing based on risks of infection-related hospital admissions
Journal article
Fahmi A. et al, (2025), Journal of the Royal Society of Medicine
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Erratum: Correction: Evaluation of the impact of COVID-19 pandemic on hospital admission related to common infections: Risk prediction models to tackle antimicrobial resistance in primary care (PloS one (2024) 19 12 DOI: 10.1371/journal.pone.0311515.)
Journal article
Fahmi A. et al, (2025), PloS one, 20
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Consistency, completeness and external validity of ethnicity recording in NHS primary care records: a cohort study in 25 million patients’ records at source using OpenSAFELY
Journal article
Andrews CD. et al, (2024), BMC Medicine, 22
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Evaluation of the impact of COVID-19 pandemic on hospital admission related to common infections: Risk prediction models to tackle antimicrobial resistance in primary care
Journal article
Fahmi A. et al, (2024), PLoS ONE, 19
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Impact of vaccination on the association of COVID-19 with cardiovascular diseases: An OpenSAFELY cohort study
Journal article
Cezard GI. et al, (2024), Nature Communications, 15