Jack Dorsey is an American entrepreneur and computer programmer, as well as Twitter's co-founder and its former CEO. Moreover, he is the co-founder, CEO, and chairman of Block, Inc., formerly known as Square
Dorsey born in St. Louis, Missouri on November 19, 1976. Dorsey's interest in computer programming began during his senior year of high school, when he taught himself how to write code. Later, he attended the University of Missouri-Rolla (now Missouri University of Science and Technology) but dropped out to pursue a career in technology.
In 2000, Dorsey relocated to Oakland, California, where he founded Dispatch Management Services to enable couriers, taxis, and emergency services to communicate through the internet. Despite the company's failure, it lay the foundation for his next endeavor.
In 2006, Dorsey co-founded Twitter, a social media network that enables users to post short messages or tweets. Twitter has become one of the most popular social media platforms in the world, with billions of tweets posted daily by millions of users.
In 2009, Dorsey co-founded Square, a payment processing startup that enables small companies to take credit card payments by attaching a small device to their smartphone or tablet. Since then, Square has expanded its offerings to include small company loans, payroll services, and other financial goods. The company's name was changed to Block, Inc. in 2021.
Dorsey’s contributions to the technology industry have been internationally acknowledged. In 2008, he was included on the MIT Technology Review TR35, a ranking of the world's leading innovators younger than 35. In 2013, Time magazine named him one of the 100 most important persons in the world.
Dorsey established the Start Small Foundation in 2015, which focuses on community and economic development, education, and basic income for everybody. In 2021, he also revealed plans to launch Bluesky, a decentralized social media platform that will allow individuals greater control over their online identities and data. Bluesky is reportedly available on the App store as of March 1, 2023.