Tech Entrepreneur
Jack Dorsey
Jack Dorsey was born on November 19, 1976 in St. Louis, Missouri. He co-founded Twitter the year he turned 30, and became CEO of Twitter the year he turned 31.
Jack Dorsey was born in 1976 and is currently 49 years old. Anyone born before 1976 is older than Jack.
Jack Dorsey is 49 years old in 2026, born on November 19, 1976 in St. Louis, Missouri (Scorpio).
Jack Dorsey is 49 years old in 2026 and turns 50 on November 19, 2026. Jack Dorsey's age in every year ↓
Born
November 19, 1976
World pop. at birth
~4.2B
Jack's age
49
Your age
20
Are you older than Jack Dorsey?
No — Jack Dorsey was born in 1976. You were born in 2006, making you 30 years younger.
At your age (20), Jack hadn't yet reached his first major milestone: he co-founded Twitter the year he turned 30. That's 10 years from now for you.
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Jack's Life Timeline
Jack Dorsey was born on November 19, 1976, in St. Louis, Missouri. He grew up in a middle-class family and showed an early interest in technology and communication. As a child, he was fascinated by how things worked, which led him to explore programming and software development during his teenage years.
Read more
Dorsey was 29 years old when he co-founded Twitter in 2006, a platform that revolutionized social media by allowing users to share short messages known as tweets. In 2009, he became the CEO of Twitter, leading the company through its initial public offering in 2013. In 2009, he also founded Square, a mobile payments company that transformed how small businesses accept credit card payments, further establishing his influence in the tech industry.
As of now, Jack Dorsey continues to be a prominent figure in technology and entrepreneurship. His work with Twitter and Square has left a lasting impact on social media and digital payments. Dorsey has also been involved in various philanthropic efforts, focusing on issues such as education and health, demonstrating his commitment to using technology for social good.
Co-founded Twitter
Jack Dorsey was 30 years old when he co-founded Twitter in 2006. This social media platform allowed users to communicate in real-time through short messages, fundamentally changing the way people interact online.
Jack Dorsey turned 30 in 2006, the year he co-founded Twitter. Are you older than Jack was? Enter your birth year to compare.
Became CEO of Twitter
Jack Dorsey was 31 years old when he became the CEO of Twitter in 2007. Under his leadership, the platform grew rapidly and became a major player in the social media landscape.
Jack Dorsey turned 31 in 2007, the year he became CEO of Twitter. Are you older than Jack was? Enter your birth year to compare.
Led Twitter's IPO
Jack Dorsey was 37 years old when he led Twitter's initial public offering in 2013. This event marked a significant milestone for the company, raising $1.8 billion and increasing its visibility in the financial markets.
Jack Dorsey turned 37 in 2013, the year he led Twitter's IPO. Are you older than Jack was? Enter your birth year to compare.
Founded Square
Jack Dorsey was 37 years old when he founded Square in 2013. This company introduced a new way for small businesses to accept credit card payments using mobile devices, transforming the digital payments industry.
Jack Dorsey turned 37 in 2013, the year he founded Square. Are you older than Jack was? Enter your birth year to compare.
Announced commitment to philanthropy
Jack Dorsey was 44 years old when he announced his commitment to philanthropy in 2020. He pledged to donate $1 billion to COVID-19 relief efforts and other initiatives, highlighting his dedication to social causes.
Jack Dorsey turned 44 in 2020, the year he announced commitment to philanthropy. Are you older than Jack was? Enter your birth year to compare.
Resigned as CEO of Twitter
Jack Dorsey was 45 years old when he resigned as CEO of Twitter in 2021. His departure marked the end of an era for the company he co-founded, as he had been a central figure in its development.
Jack Dorsey turned 45 in 2021, the year he resigned as CEO of Twitter. Are you older than Jack was? Enter your birth year to compare.
Age by year
How old was Jack Dorsey in each year?
- 2026
- Jack Dorsey is 49 years old in 2026 and turns 50 on November 19, 2026.
- 2006
- Jack Dorsey was 29 at the start of 2006 and turned 30 on November 19, 2006. That year, he co-founded Twitter.
- 2007
- Jack Dorsey was 30 at the start of 2007 and turned 31 on November 19, 2007. That year, he became CEO of Twitter.
- 2013
- Jack Dorsey was 36 at the start of 2013 and turned 37 on November 19, 2013. That year, he founded Square.
- 2020
- Jack Dorsey was 43 at the start of 2020 and turned 44 on November 19, 2020. That year, he announced commitment to philanthropy.
- 2021
- Jack Dorsey was 44 at the start of 2021 and turned 45 on November 19, 2021. That year, he resigned as CEO of Twitter.
Jack Dorsey's age in every year
Ages change on November 19: the first number is before that birthday, the second after it.
- 19760 years old
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- 202043 → 44 years old
- 202144 → 45 years old
- 202245 → 46 years old
- 202346 → 47 years old
- 202447 → 48 years old
- 202548 → 49 years old
- 202649 → 50 years old
