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- Research Assistant
- MRC Unit for Lifelong Hlth & Ageing
- Population Science & Experimental Medicine
- Faculty of Pop Health Sciences
Stergiani (Stella) Tsoli is a PhD Researcher in Social Epidemiologist at the Centre for Longitudinal Studies, Social Research Institute at UCL. Her research focuses on the effects of social participation and engagement on health and well-being. During the COVID-19 pandemic, Stella alongside her PhD is working as a Senior Health Analyst at the UK ‘s Health Security Agency (UKHSA), Department of Health and Social Care.
Stella has received awards from the Economic and Social Research Institute (ESRC) and Medical Research Council (MRC). Additionally, she is the Early Career Representative and a member of the Executive Committee of the Society for Longitudinal and Lifecourse Studies (SLLS).
Stella previously was a visiting scholar at Harvard University working with Professor Ichiro Kawachi. She worked as a research assistant in the London School of Hygiene and Tropical Medicine (LSHTM), International Initiative for Impact Evaluation (3ie), as a consultant at the WHO and as field epidemiologist for the Doctors of the World.
She completed a BSc in Environmental Science at University of the Aegean, Greece and a MPhil in Public Health from University of Cambridge, UK funded by the MRC.




Her doctoral research examines the longitudinal association of social capital and adult health, including biomarkers of health and physical activity. She is using longitudinal data from the Birth Cohort Studies in UK and specifically the National Child Development Study (NCDS) and the 1970 British Cohort Study (BCS). For her research, Stella receives funding from the ESRC.
Her research interests, also, include quantitative methods in social epidemiology, life-course origins of adult health, demographic determinants of health and the effects of build environmental on physical health.
Alongside her PhD, Stella worked as a Teaching Fellow for the undergraduate and master’s programmes at the UCL Social Research. She taught a number of modules including Health and Social Epidemiology, Quantitative Methods, Understanding Social Policy and Systematic Reviews for Complex Policy Issues.