Jack Dorsey – small bio


Name Jack Dorsey
Founder/Co-Founder Twitter Inc., Square, Inc.
Born on 19 November 1976 AD
education Missouri University of Science and Technology
Net worth $2.4 billion

Jack Dorsey is an American businessman who co-founded Twitter. An online social networking service that enables users to send and read short messages called “tweets”. This site is one of the ten most-visited websites in the world. Dorsey is also the founder of Square, a mobile payments company that markets several software and hardware payments products. He loved computers from as long as he can remember and spent hours studying the IBM computer model available at that time. He was fascinated with the concept of coordinating taxicabs, couriers, emergency services, and other fleets of vehicles and wanted to create a live map of his city, displaying the vehicles in motion as small moving red dots. He was just 15 when he wrote a program for dispatching taxis and firefighting services. He went on to study at the Missouri University of Science and Technology before shifting to the New York University where he first came up with the idea for Twitter. He dropped out before receiving his degree to follow his passion. Teaming up with a few friends, he launched Twitter in 2006.


  • Jack Dorsey started working as a programmer and moved to Oakland, California in 2000 in search of better career prospects. He started a company to dispatch taxis, couriers and emergency services using his dispatch software.
  • During this time he also started getting serious about his idea for a short message communication service that would update his friends about his status in real-time.
  • Meanwhile his company failed and Dorsey struggled for the next few years. He made his living by freelancing and even went to massage therapy courses. However, he never forgot his dream of creating the short message service he had envisioned.
  • He approached Odeo, a directory and search destination website, which was showing interest in text messaging. He managed to attract the interest of Odeo co-founder Evan Williams and one of the company’s executives, Biz Stone.
  • In October 2006, Dorsey, along with Biz Stone, Evan Williams, and some other members of Odeo, formed Obvious Corporation which later evolved into “Twitter”. Within two weeks Dorsey created a simple site where users could instantly post short messages of 140 characters or less called “tweets”.
  • Initially Dorsey served as Twitter’s CEO and in 2008 Williams took over the role of CEO, while Dorsey became chairman of the board. The company grew rapidly and within five years of its founding, Twitter users were sending 50 million tweets per day.

· In 2009, Dorsey teamed up with fellow entrepreneur and computer science engineer Jim McKelvey to form Square Inc. Primarily started as a mobile payments company, Square eventually branched into financial and merchant services as well. The company is a fast growing one and Dorsey serves as its CEO
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