History of Jack Dorsey in Timeline

By Popular Timelines Editorial Team · Updated: November 14, 2025

Jack Dorsey is an American businessman best known as the co-founder of Twitter (now X), where he served as CEO twice, from 2007 to 2008 and again from 2015 to 2021. He is also the co-founder, principal executive officer and chairman of Block, Inc., a financial services company. Additionally, Dorsey is the founder of Bluesky, a decentralized social networking protocol. His career is marked by significant contributions to the tech industry, particularly in social media and financial technology.

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Full Timeline

March 2016: Dorsey funds Missouri public school projects

In March 2016, Jack Dorsey fully funded about 600 Missouri public school projects registered at DonorsChoose.

October 2019: Dorsey donates to #TeamTrees

In October 2019, Jack Dorsey donated $350,000 to #TeamTrees, a nonprofit started by YouTubers MrBeast and Mark Rober, that pledged to plant 20 million trees by the end of 2019.

April 7, 2020: Dorsey moves $1 billion to Start Small, LLC

On April 7, 2020, Jack Dorsey announced that he would move about $1 billion of his equity in Square, Inc., just under a third of his total wealth, to Start Small, LLC, and to relief programs related to the coronavirus. He committed to funding COVID-19 relief, girls' education and health, and universal basic income.

May 2020: Trump's tweets receive warning labels

In May 2020, some of Donald Trump's tweets received warning labels on Twitter, before the election day flaggings.

August 2020: Dorsey donates to Boston University's Center for Antiracist Research

In August 2020, Jack Dorsey donated $10 million to Boston University's Center for Antiracist Research, founded by Ibram X. Kendi.

January 6, 2021: Twitter applies timeout to Trump's account

On January 6, 2021, Twitter applied a 12-hour timeout to Donald Trump's account for violating its Civic Integrity policy after Trump supporters stormed the U.S. Capitol.

May 2021: Dorsey donates to support relief efforts in India's COVID-19 second wave

In May 2021, Jack Dorsey donated $15 million to support relief efforts in India's COVID-19 second wave. The three NGOs were Care ($10 million), Aid India ($2.5 million), and Sewa International ($2.5 million).

November 2022: Twitter reinstates Trump's account

In November 2022, Twitter reinstated Donald Trump's account following Elon Musk's purchase of the platform.

June 2023: Dorsey endorses Robert F. Kennedy Jr.

In June 2023, Jack Dorsey endorsed Robert F. Kennedy Jr. in his campaign to become the Democratic party nominee in the 2024 United States presidential election.

2024: Dorsey tweets in support of Gaza war protests

In 2024, Dorsey tweeted in support of Gaza war protests in the United States, Vietnam war protests, and Iraq war protests.

2024: Robert F. Kennedy Jr.'s campaign for the Democratic party nominee

In June 2023, Jack Dorsey endorsed Robert F. Kennedy Jr. in his campaign to become the Democratic party nominee in the 2024 United States presidential election.