Jack Dorsey

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It's me Dara and welcome back to my blog!

Did you know co-founder and CEO of Twitter and as the founder and CEO of Square? Yap. he is Jack Dorsey. Want to know more? Let's check it out!

Jack Dorsey. He was born in St. Louis, Missouri On November 1976. He is an American businessman. Jack became involved in web development as a college student, founding the Twitter social networking site in 2006. Since that time, Dorsey has served as CEO, chairman of the board, and executive chairman of Twitter. He also launched the successful online payment platform Square in 2010. In 2008, he was named to the MIT Technology Review TR35 as one of the top 35 innovators in the world under the age of 35. For 2012, The Wall Street Journal gave him the "Innovator of the Year Award" for technology.

Dorsey became insterested in computer and communications at an early age and began programming while still a student at Bishop DuBourg High School. Dorsey attended the Missouri University of Science and Technology before subsequently transferring to New York University Tandon School of Engineering, He first came up with the idea that became Twitter at New York University. He was fascinated by the technological challenge of coordinating taxi drivers, delivery vans and other fleets of vehicles that needed to remain in constant, real-time communication with one another. When he was 15, Dorsey wrote dispatch software that is still used by some taxicab companies today. In the tradition of computer science entrepreneurs such as Bill Gates, Steve Jobs and Mark Zuckerberg, he dropped out of college before receiving his degree. Instead, Dorsey moved to Oakland, California, and in 2000 started a company offering his dispatch software through the Web. Shortly after starting his company, Dorsey came up with the idea for a site that would combine the broad reach of dispatch software with the ease of instant messaging. Dorsey approached a now-defunct Silicon Valley company called Odeo to pitch the concept. "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?'" said Biz Stone, a former Odeo executive. Dorsey, Stone and Odeo co-founder Evan Williams started a new company, called Obvious, which later evolved into Twitter. Within two weeks, Dorsey had built a simple site where users could instantly post short messages of 140 characters or less, known in Twitter parlance as "tweets.". On March 21, 2006, Jack Dorsey posted the world's first tweet: "just setting up my twitter." Dorsey was named the company's chief executive officer. He removed his nose ring in an attempt to look the part of a mature Silicon Valley executive, though he kept his boyish, mop-like haircut and abstract, forearm-length tattoo whose shape represented, among other things, the human clavicle bone. Co-founder Evan Williams replaced Dorsey as Twitter's CEO in October 2008, with Dorsey staying on as company chairman. Twitter was initially derided by some as a tool for the shallow and self-centered to broadcast the minutiae of their lives to the universe. Late-night comedy host Conan O'Brien even featured a segment called "Twitter Tracker" that mocked users of the service. In its early days, the site also suffered from frequent service outages. But as celebrities and CEOs alike began tweeting, Twitter was no longer the brunt of so many jokes. Suddenly the head of the "microblogging" movement, Twitter became a powerful platform for U.S. Presidential candidates Barack Obama and John McCain in 2008, as a method for updating their supporters while on the campaign trail. Twitter vaulted to international prominence after the June 2009 presidential elections in Iran, when thousands of opposition supporters took to the streets to protest the claimed victory of incumbent Mahmoud Ahmadinejad. When the government blocked text messaging and satellite feeds of foreign news coverage, Iranian Twitter users flooded the site with live updates. A U.S. State Department official even emailed Dorsey to request that Twitter delay its scheduled maintenance so that protestors could keep tweeting. "It appears Twitter is playing an important role at a crucial time in Iran. Could you keep it going?" said a State Department spokesman, describing the call. Twitter complied. In November 2013, Dorsey saw his personal fortune grow tremendously thanks to Twitter's initial public offering. The company's stock had a starting share price of $26, but the price quickly rose to $45 during its first day of trading. Within hours, the value of Dorsey's approximately 23.4 million shares made him a billionaire. He already began discussing the possibility of an IPO for his other company, Square, in 2014. In 2015, Dorsey returned to Twitter. He first served as an interim CEO and then became its CEO. Not long after he officially took the company's top spot, he announced that the company would be cutting about 8% of its workforce. This move is "part of an overall plan to organize around the company's top product priorities and drive efficiencies throughout the company,” according a securities filing by Twitter reported in the Los Angeles Times.

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