Apostolos is an Associate Professor at the Health Economics Research Centre (HERC), University of Oxford, where he is leading a programme of research that focuses mainly on the economic evaluation of new models of care delivery and organization as well as on financial incentives in healthcare. In collaboration with allied departments at Oxford University, Apostolos is involved in several experimental and observational studies across a wide range of services for prevention, diagnosis and treatment in diverse clinical areas including mental health, geriatrics, diabetes, cardiovascular disease and cancer. Apostolos’ work is mainly funded by British organizations (e.g. NIHR, Wellcome Trust, and Clinical Commissioning Groups) and the European Commission. Apostolos has developed international reputation in this area of research through more than 60 scientific publications and book chapters as well as numerous presentations at prestigious conferences.