1. Bill Gates (co-founder of Microsoft Corporation, $109.6 B)

2. Elon Musk (entrepreneur, $30.7 B)

3. Kylie Jenner (entrepreneur, $1.0 B)

4. Larry Page and Sergey Brin (founders of Google, $64.6 B and $62.3 B)

5. Tim Cook (CEO of Apple, the first $1 trillion US company)

6. Steven Spielberg (filmmaker, $3.6 B)

7. Susan Wojcicki (CEO of Youtube, $160 B net worth)

8. Oprah Winfrey (television personality, $2.8 B)

9. J.K. Rowling (author, ~$1 B)

10. Mark Zuckerberg (co-founder of Facebook, $81.8 B)

11. Peter Thiel (co-founder of PayPal, $2.3 B)

12. Reed Hastings (CEO of Netflix. $3.9 B)

13. Richard Branson (entrepreneur, $4.0 B)

14. Martha Stewart (writer and television personality, ~$1 B)

15. Jeff Bezos (founder of Amazon, $115.5 B)

16. Kanye West (media personality, ~$1.5 B)

17. George Lucas (filmmaker, $6.3 B)