Sir Peter John Davis (born 23 December 1941) is a British businessman, who was, from 2000 to 2004, the CEO of J Sainsbury plc, which operates the UK supermarket chain Sainsbury's. Davis was born in Cheshire on 23 December 1941, the son of John Stephen Davis and Adriaantje de Baat. He was educated at Shrewsbury School. Peter Davis worked for a company called the Ditchburn Organisation, Dock Road, Lytham, Lancashire, U.K. circa 1960/61. Peter Davis worked for the sales and marketing side of Ditchburn Vending Machines.