FILE - In this Sept. 5, 2018, file photo, Twitter CEO Jack Dorsey testifies on Capitol Hill in Washington. President Donald Trump says he had a “great meeting” on April 23, 2019 with Dorsey after bashing the company profusely earlier in the day. Trump and some Republicans in Congress have complained that social media giants are biased against Republicans, something the companies have rejected as untrue.
Photo: (AP Photo/Jose Luis Magana, file)
Photo: (AP Photo/Jose Luis Magana, file)

Who is Jack Dorsey, co-founder of Twitter, Square?

When Jack Dorsey, the billionaire tech CEO of Twitter, was 15 years old, he developed software that allowed taxis to communicate with dispatchers in real time.

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That may not sound unusual in today’s climate of innovation, but to put it in perspective, the year was 1990 – 17 years before the iPhone would come out and 14 years before Facebook existed.

That early software invention spurred Dorsey to do what a lot of other tech CEOs did – go to college, quit college and move to California.

After Dorsey moved there in his early 20s, he hustled his computer knowledge and ideas for connecting people in real time and ended up presenting an idea for a social media outlet that would allow people to share what was on their mind – or what they had for lunch – with friends and family.

The result was Twitter.

He has been in, then out and then back in as head of Twitter, and during his time out, he developed a second tech company, Square.

He’s testified before Congress about the social media outlet’s role in shaping the 2016 presidential election, and last month had a sit-down with the winner of that election.

Dorsey, who meditates, fasts and takes ice baths, is one of the tech creators who seems to always create news, or at least start a conversation.

Here are a few things to know about Jack Dorsey:

  • Dorsey was born in St. Louis, Missouri, on Nov. 19, 1976.
  • He worked as a model when he was young.
  • He became interested in computers as a teen and began programming while still a student at Bishop DuBourg High School. When he was 15, he wrote software that helped taxi drivers remain in real-time communication with dispatchers. Some taxi companies still use that software.
  • Dorsey attended the Missouri University of Science and Technology before attending New York University. He dropped out of NYU before he received his degree.
  • He moved to Oakland, California, in 2000 to start a business that expanded his taxi dispatch software. As that business grew, Dorsey had the idea of combining the taxicab dispatch software with an instant messaging system.
  • According to Biz Stone, an executive with the former Silicon Valley company Odeo, Dorsey pitched an instant messaging system. "He came to us with this idea: What if you could share your status with all your friends really easily, so they know what you're doing?” From that meeting, Dorsey, Stone and Evan Williams, the founder of Odeo, started a company called Obvious. Obvious would change and develop to become Twitter.
  • Dorsey was named CEO of Twitter in 2006.
  • Dorsey sent the first tweet on March 21, 2006. It read: “just setting up my twttr.”

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