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Apostolos Tsiachristas


Associate Professor

Apostolos is an Associate Professor in Health Economics at University of Oxford, where he is leading a programme of research that focuses mainly on the economic evaluation of new models of care, particularly for people with mental health and multi-morbidity, and financial incentives in healthcare. He is also is leading the Oxford Mental Health Economics and Policy (OMHEP) group. Apostolos has worked in several experimental and observational studies across a wide range of services for prevention, diagnosis and treatment in several clinical areas but mainly in mental health. He has raised more than £5 million in research funding for health economics mainly by British organizations (e.g. NIHR, Welcome Trust, Health Foundation, and local health authorities) and the European Commission.

He also holds a honorary contract with the Office for Health Improvement and Disparities (UK GOV) where he advises on matters related to mental health economics and policy, and he acts as a scientific advisor to the World Health Organization on topics related to health financing.

Apostolos has developed international reputation in these areas of research through more than 80 scientific publications and book chapters as well as numerous presentations at prestigious conferences. As a recognised expert in payments and financing of chronic care, he has given invited talks, keynote speeches, and advice to several governments (e.g. UK, Ireland, The Netherlands, Belgium, Estonia, and Australia) as well as to national (e.g. Royal Society of Medicine in London, NHS England, Diabetes UK, and Austrian Platform for Personalized Medicine) and international organisations (e.g. European Commission and World Health Organization). Apostolos’ work has received substantial attention in (social) media outlets and has influenced health policy and clinical guidelines (e.g. the Early Intervention in Psychosis Programme of NHS England, and the Cervical Cancer Screening Programme of Public Health England).

Apostolos has co-developed, coordinated, and taught in numerous undergraduate, postgraduate, and professional courses in health economics in Oxford and Rotterdam and has supervised several postgraduate students. Apostolos holds editorial positions in several scientific journals, he is member of several committees, and he is a Research Fellow at Oxford's Green Templeton College.