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Apostolos Tsiachristas

Senior Researcher, Health Economics, University of Oxford

Apostolos is a senior researcher at the Health Economics Research Centre (HERC), University of Oxford. His main research interests are related to the economic evaluation and financing of complex interventions, with a particular focus on integrated care and mental health care. In collaboration with allied departments at Oxford University, Apostolos is involved in several research projects, mainly funded by the NIHR (CLAHRC and BRC) and Wellcome Trust, across a wide range of services for prevention, assessment, diagnosis and treatment. In addition he has varied experience in working in experimental and observational studies in diverse clinical areas such as psychosis, self-harm, dementia, diabetes, cardiovascular disease and cancer.

Prior to his current position, Apostolos undertook research at the Erasmus University Rotterdam and consultancy work at Aarts Public Economics in The Hague. Apostolos has been teaching health economics as part of undergraduate, postgraduate, and professional courses in Oxford and Rotterdam. His work is published in numerous international scientific journals and presented at prestigious conferences.

Apostolos has been acting as an Associate Editor at the BMC-Health Services Research, Section Editor (Health Economics) at the International Journal of Integrated Care and Guest Editor at Health Policy. He is affiliated to Green Templeton College, University of Oxford.


  • 2015–present
    Senior Researcher, University of Oxford
  • 2009–2014
    Researcher, Erasmus University Rotterdam


  • 2014 
    Erasmus University Rotterdam, PhD
  • 2007 
    Erasmus University Rotterdam, MSc Financial Economics
  • 2006 
    Maastricht University, MSc Health Economics, Policy and management