Whether they’re computer whiz kids, top pop stars, or highly paid pro athletes—these famous names have built, or are in the process of building, their own empires. Check out some of the world’s youngest moguls, age 30 and younger.Miley Cyrus
Age: 18
Miley has her famous dad to thank for getting her acting lessons, and her alter ego for launching her name and image into the stratosphere.

Mary-Kate and Ashley Olsen
Age: 24
These talented twins made their first million while they were still in diapers thanks to a popular TV series. They produced a video series and sold products leveraging their image.

Raven-Symone
Age: 25
It always helps to catch the eye of a famous comedian. In the spotlight since age two, Raven is worth millions, thanks to her hit series, music and more.

Mark Zuckerberg
Age: 26
If you haven’t heard his name, you’ve probably heard about a tiny little web site he created. He’s definitely someone you want on your friend list

Jessica Simpson
Age: 30
While she’s always been known for her music, it was a reality show that brought her personality into millions of homes. Now, she’s a full-fledged brand with a line of beauty products and so much more. Recently engaged to a new man, she seems to have it all.

Hilary Duff
Age: 23
This former Disney darling is creating a brand all her own that includes perfume, a line of jeans and more. All this while juggling a new husband, singing and an acting career.

Blake Ross
Age: 25
It’s hard to believe he was just 19 when the game-changing internet browser he developed with Dave Hyatt hit the Web.

Beyoncé Knowles
Age: 29
When she first appeared on the scene with this trio, she was only 17. In twelve short years, she’s made herself into a worldwide brand. She recently topped this list as the top-earning entertainment mogul under 30.

Britney Spears
Age: 29
Through the good press and the bad, Britney continues to fascinate, titillate and build an empire. Spears got her start on a popular kid’s show, where she met an equally famous future ex-boyfriend.

Roger Federer
Age: 29
This 29-year-old Swiss pro tennis player keeps breaking records, and he won’t be breaking the bank anytime soon. His endorsement deals and new clothing line are ensuring his staying power.

Taylor Swift
Age: 21
This Grammy Award-winning country star is rising above the Kanye incident, and using her power for good. She was the most-played artist on the radio in 2009, and with a new clothing line and a new album, her future looks rosy.

The Jonas Brothers
Ages: Kevin, 23; Joe, 21; Nick, 18
Their net worth isn’t the only reason their neighborhood was recently in the news. These famous brothers keep it all in the family by profiting from their TV show(s), music and world tours, plus the sale of merchandise related to their image.


Paris Hilton
Age: 29
In between sex tapes, a hit reality show and more boyfriends than we can count, socialite heiress Paris Hilton has been designing handbags, clothing and building her brand.


Andrew Mason
Age: 30
You may not know his name, but you probably know the deal-a-day web site he created. With a recent offer to buy him out, Andrew’s internet mogul status is assured.

Daniel Radcliffe
Age: 21
Radcliffe is best known for playing J.K. Rowling’s iconic young wizard, and has attained mogul status almost entirely based on his tie to those movies and their merchandise. He is also a serious young actor worth equally serious money.


Lady Gaga
Age: 24
When you’re Lady Gaga, you get entire TV episodes themed after you and people aren’t surprised when you wear a dress made out of meat. You also land at #7 on this list of most powerful women.

LeBron James
Age: 26
With an NBA career that’s already outshining some veteran ballers, this Miami Heat forward has all the right moves.