Female Billionaire Sara Blakely
Net Worth: $1.2 Billion
Sara Blakely is the first self-made billionaire on our list. She founded Spanx, an American company which makes intimate apparel, pants, and leggings in Atlanta. TIME named her as one of the most 100 influential people in the world in 2012. Forbes named her the 93rd most powerful woman in the world. The fact that there are 3.8 billion women in the world, being ranked the 93rd most powerful is quite amazing.