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Jack Dorsey

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Software engineer Jack Dorsey is the Co-Founder of Twitter, and was the CEO until October 2008. Dorsey had the original idea for Twitter while still at Odeo, a podcasting startup which was a project of Obvious Corp. He is now the chairman of Twitter.

In May 2009, Dorsey announced his latest startup, Square. Square, originally code-named Squirrel, is a mobile payment startup with both an app and a piece of hardware that allows the iPhone and Android to accept credit card payments.

Dorsey was a student at University of Missouri - Rolla, later New York University, which he dropped out of and left his job as a programmer at a bike courier dispatch service in 1999 to move to San Francisco.

Milestones

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• 
  Jack Dorsey added a position as Advisor.
  Posted 8/4/11 at 12:02pm
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  Jack Dorsey added a position as Advisor at Ustream.
  Posted 8/5/09 at 3:43pm
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  Jack Dorsey added a position as Co-Founder, CEO at Square. (2/1/09)
  Posted 5/8/09 at 4:22pm
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  Jack Dorsey added a position as Co-Founder, Chairman at Twitter.
  Posted 10/16/08 at 1:13pm
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  Jack Dorsey added a position as CEO, Co-Founder at Twitter.
  Posted 6/1/07 at 4:46am
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  Jack Dorsey invested in Kickstarter. (3/18/11)
  Posted 3/18/11 at 3:04am via allthingsd.com
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  Jack Dorsey invested in Instagram. (2/2/11)
  Posted 2/2/11 at 8:55pm via techcrunch.com
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  Jack Dorsey invested in Art.sy. (11/24/10)
  Posted 11/24/10 at 8:25am via techcrunch.com
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  Jack Dorsey invested in Flipboard. (7/20/10)
  Posted 7/20/10 at 7:39pm via allthingsd.com
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  Jack Dorsey invested in Foursquare. (9/4/09)
  Posted 9/4/09 at 2:05pm via techcrunch.com

Investments

Videos

Sources

1. Kickstarter Fesses Up: The Crowd-Sourced Funding Startup Has Funding Too (mediamemo.allthingsd.com) [edit]
2. Instagram Raises $7M (techcrunch.com) [edit]
3. TechCrunch (techcrunch.com) [edit]
4. Meet Flipboard: Mike McCue Talks About Stealth "Social Magazine" Start-Up That Just Nabbed $10.5 Million in Funding (allthingsd.com) [edit]
5. techcrunch.com [edit]