Guy Jeffrey Barker, MBE (born 26 December 1957) is an English jazz trumpeter and composer. 　　Barker was born in Chiswick, London, the son of an actress and a stuntman. He started playing the trumpet at the age of twelve, and within a year had joined the National Youth Jazz Orchestra. At the age of 15 he was playing with the Crouch End Allstars along with Wally Fawkes and Bob Nadkarni.