Net worth: $21.3 billion
Source of wealth: Apple and Disney
Age: 55
Laurene Powell Jobs and her family inherited the fortune of her husband, Steve Jobs, upon his death in 2011. At one point, she had 5.5 million shares of Apple stock and a 7.3% stake in The Walt Disney Company. She has used those to fund her philanthropic efforts, specifically the creation of the Emerson Collective, an organization dedicated to social change through education, immigration reform, media and journalism.
Read more: Ben Affleck and Laurene Powell-Jobs were seen getting dinner together at a Los Angeles restaurant