David is Lead for Public Health Information at the Mental Health Foundation; a Fellow of the Royal Society for Public Health; and was a founder member of the National Survivor User Network, the UK’s leading network led by people living with a psychiatric diagnosis. He is also an ethics committee member of the International Society of Psychiatric Genetics; a former technical advisor to WHO Europe and a former senior mental health advisor to Public Health England. Within the Collaborating Centre, he is Lead for the Values-based Practice in Public Mental Health Network. David has substantial personal experience of using mental health services, including time as a detained patient, and now applies this experience and the learning from it in a systematic and productive way to improve outcomes for people who experience mental ill-health.