David is Associate Professorial Research Fellow in Health Policy and Health Economics within CPEC at LSE.

The primary focus of David's work is on using economic arguments to support investment in mental health and wellbeing promotion, self-harm, suicide and mental illness prevention within and beyond the health sector. He is involved in a wide range of work on mental health and public health in the UK, Europe and at the global level.

With more than 25 years of research experience and over 350 publications he has advised many national governments and international agencies. This has included work to assess intersectoral actions to promote health and wellbeing for the World Health Organization as well as reviewing mental health promotion and prevention policy and actions for the OECD, the economic case for investing in mental health promotion and mental disorder prevention for the UK Department of Health and Social Care, along with advising the European Commission, and national/regional governmental departments. He was an advisor on mental health reform for the Office of Finnish Prime Minister and has delivered numerous international keynote lectures on health economics, mental and public health policy issues. He has been coordinator of the Mental Health Economics European Network, a member of the UK National Institute for Health and Care Excellence’s (NICE) Public Health Interventions Advisory Committee since 2007, Co-Convenor of the Cochrane Campbell Economic Methods Group, and has previously appeared before the UK Parliament’s Science and Technology Select Committee to give expert evidence on the economic impacts of childhood adversity and poor wellbeing.