Sir William was the Lord Mayor of the City of London from November 2019 until November 2021 and is an Alderman of the City of London.  He is non-executive chairman of CDAM (UK) Ltd, an independent, privately owned, investment management firm, and trustee and deputy chairman of Place2Be, a children’s mental health charity.  He is a past board member of Innovate Finance, the industry body for the UK Fintech community, and has more than 30 years’ experience in financial services including senior positions in domestic and international banking.