Name
Jack Dorsey
Jack Dorsey
San Francisco, California
Drop Out, New York University
United States
8
Twitter, Square, Self Made
$5,800,000,000
343
3
#343 Billionaires 2019
#85 Forbes 400 2018
Tattooed entrepreneur Jack Dorsey has been CEO of both social media firm Twitter and small business payments company Square since 2015.Dorsey cofounded Twitter in 2006 with Ev Williams, Biz Stone and Noah Glass, and was CEO until 2008. He returned in 2015.Dorsey cofounded Square in 2009, then took it public in 2015.Before gravitating to tech, Dorsey was a certified masseur and dabbled in fashion design.In 2015, Dorsey gave one third of his Twitter shares to employees.
Dorsey dropped out of college twice -- first from the University of Missouri-Rolla and later from New York University.Dorsey doesn't have an office or a desk at Square.
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