David is Chairman of The Gregson Family Foundation; an Executive Committee Member of The Institute for Fiscal Studies; a Trustee of Pro Bono Economics and The Windsor Leadership Trust; an advisor to both Sutton Trust, which seeks to improve social mobility through education, and the Invictus Games to be held in 2021 in The Hague; a Director of the FA Women’s Super League; and a member of the Advisory Boards of Phoenix Equity Partners, a leading UK mid-market private equity business, and of Alliance Manchester Business School. Previously, David was a co-founder and Chairman of Phoenix.

Over his career, he has been a director or Chairman of some thirty companies or charities. Most recently, David has been Chairman of the LTA, which is responsible for tennis in Britain; Chairman of CGL, the UK's largest social and health care charity; and a Director of LLDC, which is transforming East London following the 2012 Games. David has an MBA from Alliance Manchester Business School (where he was awarded Alumnus of the Year in 2016) and an MA in Maths and Physics from Cambridge University.