William Peter Mullins (born 15 September 1956)[1][2] is an Irish racehorse trainer and former jockey.
His father, Paddy Mullins, was a horse trainer, and his mother, Maureen, was a successful breeder.
[4] Mullins commenced racehorse training in 1988,[5] having previously worked as an assistant to his father and Jim Bolger.
He is a former six-time amateur champion jockey in Ireland, winning the 1983 Aintree Fox Hunters' Chase on Atha Cliath and the 1996 Cheltenham Bumper on Wither Or Which.
He has a son, Patrick Mullins, who is currently an amateur jockey riding mainly in Ireland for his father and acting as assistant trainer to him.