He is chair of Ambient Support, a not-for-profit provider of care and support for people with learning disability or mental ill health and older people. He is a former vice-chair of mental health charity Richmond Fellowship, and its wider Recovery Focus group, and a former board member of Housing 21, a housing and care provider for older people.
David was chair of NDTi from 2013-2018 and subsequently took on the role of NDTi ambassador.
