Anna Kasprzak

Age: 32

Net worth: $1.1 billion

Citizenship: Denmark

Source of wealth: Shoes

Kasprzak, along with her brother André and mother Hanni, owns Danish shoe manufacturer, ECCO. Its products are sold in 90 countries from more than 2,200 ECCO shops and online. ECCO was founded by Kasprzak’s late grandfather, Karl Toosbuy, in 1963. She is a dressage rider and competed in the 2016 Olympics in Rio de Janeiro, placing 14th. Kasprzak operates a private dressage barn in Haderslev.