Net worth: $3.8 billion
Source of wealth: Technology
Self-made score: 6
Age: 63
Meg Whitman got her start at P&G before moving on to Hasbro and then becoming the CEO of eBay. When she joined in 1998, eBay had 30 employees and $4 million in revenue. When she left in 2008, it had about 15,000 employees and $8 billion in revenue. Whitman then became the CEO of Hewlett Packard and oversaw its 2015 split into two companies. Now, she is the CEO of Quibi, a streaming video startup created by DreamWorks' cofounder.
Whitman's self-made score of 6 highlights that she is the only woman on this list who is a hired or hands-off investor who didn't create the business from which she profits.