Sir Ian Maurice Gray Prosser (born 5 July 1943) is a British businessman.Prosser was born in Bath, England and educated at King Edward's School, Bath, Watford Grammar School for Boys and Birmingham University.He is Chairman of The Navy Army & Airforce Institutes, Chairman BP Pension Trustees PLC, and Chairman of Gamcare.
He was Chairman & CEO of Bass PLC and latterly Chairman of InterContinental Hotels until his retirement in 2003.
He is a former non-executive Deputy Chairman of BP Plc, having joined as a non-executive Director in 1997 and retired on 15 April 2010.
He was formerly senior independent director of GlaxoSmithkline, a non-executive director of The Boots Company , of Lloyds TSB.
and Hillshire brands ( formerely Sara Lee.). Prosser received his knighthood in the 1995 New Year Honours List.Prosser was awarded an honorary DUniv by Birmingham University in 2001.