Born in Nogales, Arizona; graduated from the University of Arizona. Brief career as a jockey; trained first Quarter Horse winner in 1971, later a leading Quarter Horse trainer. Switched to training Thoroughbreds, first winner in 1979. Trained Kentucky Derby winners Real Quiet, War Emblem, Silver Charm, champions Indian Blessing, Vindication, Midnight Lute, Silverbulletday, Chilukki, etc. Married, wife Jill, son Bode; four children from previous marriage-Taylor, Savannah, Forest, and Canyon.