Born into a racing family, his father, Ormond Ferraris, was a champion trainer in South African racing. David Ferraris embarked on his own training career in 1995 and went on to win the South African trainer's title four times. Among his notable wins were the 1997 Durban July handicap with Super Quality.He followed this up in 1998 with Classic Flag.The Durban July is considered to be South Africa's premier race. Ferraris has won nearly every major race on the South African racing calendar.
In 2003, Ferraris moved to train in Hong Kong where he met with continued success, notably with Vengeance of Rain, winner of several Group 1 races,including The Hong Kong Derby, The Audemars Piguet QEll Cup,The Cathay Pacific International Cup as well as the 2007 Dubai Sheema Classic at Nad Al Sheba Racecourse in Dubai.Vengeance of Rain retired with total stake earnings in excess of HK$ 70 million.At the time of his retirement in 2008, Vengeance of Rain was one of the leading stakes earning racehorses in the world.