8. Anna Kasprzak
Age: 29
Net Worth: $1 Billion
Anna Kasprzak is the younger sister of André Kasprak and a large shareowner of ECCO, a Danish shoe manufacturer.
Anna is also an Olympic dressage rider and competed in the 2016 Olympic Games in Rio de Janerio, where she placed 14th.
She now operates a private dressage barn in Haderslev, Denmark, where she lives.
Anna is currently only 29 years old and worth $1 billion, which makes her the eighth youngest billionaire in the world.