#9. Jeffrey Skoll
Palo Alto, Calif.
Major holdings: eBay, Participant Media
The first president of eBay is betting on millennial audiences to turn him from a web 1.0 dot-com billionaire into a 21st-century entertainment mogul. His production company produces earnest social-issue documentaries and runs the millennial-focused cable network Pivot. Up next? Co-producing Steven Spielberg’s next film, a Cold War spy thriller due out in October 2015.