Brian Hayes (civil servant)
Sir Brian David Hayes, GCB (born 1929) is a retired English civil servant. Educated at Corpus Christi College, Cambridge, he joined the Ministry of Agriculture, Fisheries and Food in 1956 and was its Permanent Secretary from 1979 to 1983. He was then Permanent Secretary of the Department of Trade and Industry from 1983 to 1989, jointly until 1985. He subsequently held directorships at Guardian Royal Exchange, Tate and Lyle, and Unilever.