David is chairman of Paradigm Trust, an academy trust responsible for three schools in deprived areas of East London and, from September 2022, four schools in Ipswich.

He is also a director of the Financial Reporting Council, where he chairs the Conduct Committee. The FRC serves the public interest by setting high standards of corporate governance, reporting and audit and holding to account those responsible for delivering them. It is expected to become the Audit, Reporting and Governance Authority upon the passing of the necessary primary legislation.

David was previously a director of the Solicitors Regulation Authority and a member of the governing body of Queen Mary University of London.

In July 2017, David became a Vice Chair of United Response and Chair of the Finance and Resources Committee. He has also worked with a number of small charities through Pilotlight.