Founder and CEO, Square; co-founder and executive chairman, Twitter
40 Under 40 rank: 4
Twitter user name: @Jack
Number of followers (as of Oct. 9, 2012): 2,139,737
Our favorite tweet: I work well at 35,000 feet. Just wrote 84 personal emails.
They're the hottest young stars in business across the globe. They're innovators, disrupters, and job creators; in fact, it's a pretty safe bet you're going to be working for them someday -- if you aren't already!
|These 8 men are richer than 3.6 billion people combined|
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|Levi Felix, Digital Detox cofounder, dies at 32|
|India no longer the world's fastest-growing economy: IMF|
|Ray-Ban owner makes $50 billion glasses deal|