25 Of The Youngest Female Billionaires: Find Out How These Incredible Women Made Their Fortunes
Gina Rinehart – $17.7 billion – Australian Mining Magnate
Gina Rinehart owns the majority of Hancock Prospecting, an Australian mining company set up by her dad. Rinehart inherited the gigantic firm, which owns some huge chunks of land in Australia. Her wealth boomed a few decades ago, but with the mining industry shrinking, her wealth did too. Although she never gained a university degree, her work in the field had given her the skills to lead her company. She’s made several clever investments, showing her natural business management talents.