Jessie Graff, ‘American Ninja Warrior’: Top 10 Instagram Photos

Graff was born to Ginny MacColl in 1984. She began training in gymnastics when she was just six-years-old, and started to do the sport competitively at age 9. She joined the Frederick Gymnastics Club for six years before developing an interest in circus gymnastics and trapeze. (Instagram/jessiegraffpwr)