15. SHERYL SANDBERG 16. RIHANNA
$1.9 billion SOURCE: Facebook AGE: 51 • RESIDENCE: Menlo Park, CA SELF-MADE SCORE: According to a new book, the Facebook chief operating officer’s relationship with Mark Zuckerberg has been strained by disagreements over the social media company’s role in policing the platform’s content. Not that the alleged rift, which Facebook denies, is hurting business. Revenue hit a record $86 billion in 2020—powered by the ad business that Sandberg oversees.