David Sullivan (born 5 February 1949) is a Welsh businessman and former pornographer. He graduated in Economics from Queen Mary College, University of London. From 1986 to 2007, he owned the Daily Sport and Sunday Sport which he sold for £40 million. In April 2016, Sullivan was named by The Sunday Times as Britain's 117th equal richest man, with assets valued at £1bn. He is the Joint-Chairman and largest single shareholder of Premier League football team West Ham United F.C. He was previously Joint-Chairman of Birmingham City F.C.