David is chair 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; a Director of the FA Women's Super League; an advisor to the Sutton Trust, which seeks to improve social mobility through education, and to the Invictus Games taking place in The Hague in April 2022; chair of the #BeeWell Advisory and Delivery Group boards; and a member of the Advisory Board of Alliance Manchester Business School. 

Previously, David was a co-founder and Chairman of Phoenix Equity Partners, a leading UK mid-market private equity firm. 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 and an MA in Maths and Physics from Cambridge University.