Bill joined the company in August 2017 and in 2019 was appointed Chief Investment Officer. He is also chairman of the Asset Allocation Committee and a member of the Management Committee. Bill was previously Head of Investment Strategy at Coal Pension Trustees, helping to run the £20 billion Coal Industry pension schemes. Prior to that he had the same job title at Kames Capital in Edinburgh where he was responsible for managing several different funds and client mandates.

He began his career with investment bank PaineWebber and subsequently worked for investment banks Merrill Lynch and UBS Warburg in a variety of research roles in London, New York and Hong Kong. He has MA degrees in Philosophy, Politics and Economics from Trinity College, Oxford and in American Government from Georgetown University, Washington DC.