(September 8, 2014 - Source: Neilson Barnard/Getty Images North America) more pics like this »
2. Laurene Powell Jobs
The widow of Apple co-founder Steve Jobs, Laurene Powell Jobs is worth $20.9B. Laurene has a hand in various projects over the years, from co-founding College Track, a nonprofit that helps underprivileged students, to co-founding health food company Terravera.