Jamie Spencer is an Irish flat racing jockey currently riding in the UK. He has been champion jockey in both Ireland and Britain and has won seven classics, five in Ireland and two in England. Spencer is an advocate for the art of holding up horses late into the races, and then making use of their natural dash of speed.

Aidan Patrick O'Brien is an Irish horse racing trainer. Since 1996, he has been the private trainer at Ballydoyle Stables near Rosegreen in County Tipperary for John Magnier and his Coolmore Stud associates. He is widely acknowledged as one of the greatest horse racing trainers of all time.