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. In 1997 he featured in the Prudential's television advertising campaign 'The Man from the Pru', built around the image of Davis as a friendly man advising on his customers' futures. In reality, Prudential staff were required to call him 'Mr Davis' when they met him.
Davis rejoined Sainsbury's on 1 March 2000 as chief executive officer He was due to step down in July 2005 (the appointment of Sir Ian Prosser, ex-Bass chairman, as his successor was aborted in February 2004), but in June 2004 he was forced to quit in the face of an impending shareholder revolt over his salary and bonuses. Investors were angered by a bonus share award of £2.4m in the face of the supermarket's drop in market share. Davis was succeeded by Philip Hampton.
Davis has also served on the board of Boots. He was previously on the board of Business in the Community (1991–2005), having been chairman from 1996 to December 2001 and served two terms on the Board of the Royal Opera House and was Trustee and Chairman of the Royal Opera House Foundation.
Davis is a senior advisor and a member of the advisory board of Permira, Europe's largest private equity company. He has served as a Trustee of the Princess Royal Trust for Carers. Between 2006 and 2011 he was chairman of the charity Marie Curie Cancer Care.