Marissa Mayer – $ 1.1 Billion

Marissa Ann Mayer is one of the women in this list who didn’t inherit her billionaire status. She has worked for multiple information technology companies, which increased her net worth to $1.1 billion. Of course, she placed some on investments to further increase her assets.

This Stanford University graduate is also known for being the first female engineer for Google. As one of the first employees, she had the edge and a great opportunity with her stock options. Eventually, she even became the President and CEO of Yahoo. When Yahoo bought Tumblr, it was under her leadership and guidance.