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Jack Dorsey
Jack Dorsey's file: Twitter, Square, Block, decentralization, Bitcoin, and the founder who keeps trying to rebuild giant internet systems without their old centers.
Dorsey co-founded Twitter, got removed from its top job, started Square, returned to run Twitter and Square simultaneously, then left the social network as Square became Block and his attention shifted toward Bitcoin, open protocols and financial infrastructure.
HOW THE HELL DID JACK DORSEY GET HERE?
Mar 21, 2006
THE FIRST TWEET GOES OUT
Dorsey sent the first tweet as the service that became Twitter came online, beginning one of the defining communications platforms of the social-web era.
RECEIPTS: The Walt Disney Companyreported
2007
THE COFOUNDER RUNS TWITTER—BRIEFLY
Dorsey served as Twitter's president and chief executive from May 2007 until October 2008.
RECEIPTS: U.S. SEC / Blockfirst-party
2009
HE STARTS A SECOND COMPANY FOR MONEY
Dorsey co-founded Square in 2009 and became its principal executive, building a payments company while remaining tied to Twitter.
RECEIPTS: U.S. SEC / Twitterfirst-party
Sep 30, 2015
HE GETS THE TWITTER CEO JOB BACK
Twitter's board appointed Dorsey chief executive while he continued serving as CEO of Square.
RECEIPTS: U.S. SEC / Twitterfirst-party
Nov 2021
DORSEY LEAVES TWITTER AGAIN
Dorsey stepped down as Twitter chief executive in November 2021, ending his second stint running the social network.
RECEIPTS: U.S. SEC / Blockfirst-party
Dec 1, 2021
SQUARE BECOMES BLOCK
Square announced that its corporate name would become Block, reflecting a broader collection of businesses that included Cash App, TIDAL and decentralized-technology projects.
RECEIPTS: Blockfirst-party