Name: Tamsin Addison
Event: Equestrian
Age: 48
Addison will be part of Ireland's four-person para-dressage team in Tokyo where she will be riding her 10-year-old gelding Fahrenheit 212.
A horse riding instructor and sports psychologist by trade, the Grade V para-dressage rider, who is based in Buckinghamshire in the UK, was diagnosed with bone cancer in her right arm and after a lengthy period of treatment and operations, became the first person in the world to regrow an upper arm bone.