David Kenneth Miles is a British economist. Born in Swansea, he has spent his working life in London, in teaching, business and the public sector. He is a Professor at Imperial College London, and was Chief UK Economist of Morgan Stanley bank from October 2004 to May 2009. He was appointed to the Bank of England's interest-rate-setting Monetary Policy Committee (MPC) from 1 June 2009 to June 2012 and again from June 2012 to 31 August 2015, before being replaced by Gertjan Vlieghe. According to the Bank of England, "As an economist he has focused on the interaction between financial markets and the wider economy.". In December 2020 he was appointed to the main board of the central Bank of Ireland.