There's arguably nothing more impressive than founding a company and turning it into a billion-dollar business before you turn 30.
In the tech world, more and more wunderkinds are emerging.
Here are the youngest people running today's most valuable companies.
Ben Silbermann left Google to start a company. After a few false starts, he landed on Pinterest, a photo collection company that is now valued at $1.5 billion.
What he's done: Silbermann left Google to found a company. After a few false starts, he and his cofounders began to gain some traction with a picture collection site, Pinterest. Pinterest has quickly grown to nearly 20 million monthly unique visitors and it's a top social media traffic driver.
Pinterest has raised $138 million at a $1.5 billion valuation. Silbermann's cofounder, Evan Sharp, is also 29.
2 years after founding Instagram, Kevin Systrom's app now has 80 million users. He sold it to Facebook in April for $1 billion.
What he's done: In 2010, Systrom cofounded Instagram with his 25-year-old cofounder Mike Krieger. Instagram quickly became the most popular mobile photo app and now has 80 million users.
It was acquired for $1 billion by Facebook in April.
Drew Houston launched Dropbox at Y Combinator Demo Day. Now the file sharing and storing company is worth $4 billion.
What he's done: In 2007, Drew Houston cofounded Dropbox. Since then Apple offered to acquire it, but Houston opted to keep building his business. Last year it generated $240 million in revenue.
Dropbox has raised $257 million at a $4 billion valuation.
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