Ewen joined the ARC East of England in October 2019. Based at the University of Essex, Ewen is Professor of Medical Sociology in the School of Health and Social Care. He is Implementation Lead and Co-Deputy Theme Lead for the ARC East of England's Inclusive Involvement in Research theme. He has been a researcher at Essex for over 15 years, publishing and researching changing relationship between the state and citizens the provision of health and social care, as an aspect of democratic representation and participation. He also has a research profile in the areas of health policy and critical mental health.