Mr. Stone is an external member of the Investment Committee at the Family Office of Lord Sainsbury of Turville, Chancellor of the University of Cambridge, and a former Minister for Science and Innovation in the United Kingdom.  Mr. Stone also advises two U.S. families, a German family, and a French family in a similar capacity.  In addition to these family offices, he serves on the investment committees of the Max Planck Endowment Fund and of the Tate Gallery in the United Kingdom. He serves as an advisor to the General Partner of Advent Life Sciences, also in the United Kingdom, and he chairs a start-up company that is developing novel hydrogen storage technology.

Mr. Stone began his career in 1970 at Phillips & Drew, a London stockbroker firm.  In 1972 he moved to the Ionian Bank in London and, two years later, joined Warburg Investment Management (which later became Mercury Asset Management plc and which is now part of BlackRock).  He left Warburg in January 1984 to found the Sainsbury family office, which he ran until mid-2008.  More recently, Mr. Stone established the Investment Office of Sir James Dyson, a British industrial designer and founder of Dyson Limited. 

Mr. Stone was a trustee and, for eight years, chairman of Lord Sainsbury’s charitable foundation, the Gatsby Charitable Foundation.  In this capacity, he participated in the establishment of the Sainsbury Laboratory for Plant Molecular Pathology in Norwich.  Mr. Stone was also a trustee of several other Sainsbury family grant-making charities, including the Kay Kendall Leukaemia Fund, the Sainsbury Centre for Mental Health, and the Sainsbury Centre for Visual Arts, as well as serving on the board of the Social Market Foundation, a non-partisan think tank promoting pro-market and social justice policies.  Mr. Stone earned an MA in psychology, with honors, from the University of Edinburgh in 1970.