Tech Entrepreneur
Jack Dorsey
Jack Dorsey was born on November 19, 1976 in St. Louis, Missouri. He co-founded Twitter at age 30 and became CEO of Twitter at 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).
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. Jack was 30 when he co-founded Twitter — 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.
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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 was 30 years old when he co-founded Twitter in 2006. 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 was 31 years old when he became CEO of Twitter in 2007. 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 was 37 years old when he led Twitter's IPO in 2013. 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 was 37 years old when he founded Square in 2013. 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 was 44 years old when he announced commitment to philanthropy in 2020. 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 was 45 years old when he resigned as CEO of Twitter in 2021. Are you older than Jack was? Enter your birth year to compare.
Age by Year
| Year | Age | Notable Event |
|---|---|---|
| 1976 | 0 | |
| 1977 | 1 | |
| 1978 | 2 | |
| 1979 | 3 | |
| 1980 | 4 | |
| 1981 | 5 | |
| 1982 | 6 | |
| 1983 | 7 | |
| 1984 | 8 | |
| 1985 | 9 | |
| 1986 | 10 | |
| 1987 | 11 | |
| 1988 | 12 | |
| 1989 | 13 | |
| 1990 | 14 | |
| 1991 | 15 | |
| 1992 | 16 | |
| 1993 | 17 | |
| 1994 | 18 | |
| 1995 | 19 | |
| 1996 | 20 | |
| 1997 | 21 | |
| 1998 | 22 | |
| 1999 | 23 | |
| 2000 | 24 | |
| 2001 | 25 | |
| 2002 | 26 | |
| 2003 | 27 | |
| 2004 | 28 | |
| 2005 | 29 | |
| 2006 | 30 | co-founded Twitter |
| 2007 | 31 | became CEO of Twitter |
| 2008 | 32 | |
| 2009 | 33 | |
| 2010 | 34 | |
| 2011 | 35 | |
| 2012 | 36 | |
| 2013 | 37 | led Twitter's IPO |
| 2014 | 38 | |
| 2015 | 39 | |
| 2016 | 40 | |
| 2017 | 41 | |
| 2018 | 42 | |
| 2019 | 43 | |
| 2020 | 44 | announced commitment to philanthropy |
| 2021 | 45 | resigned as CEO of Twitter |
| 2022 | 46 | |
| 2023 | 47 | |
| 2024 | 48 | |
| 2025 | 49 | |
| 2026 | 50 |
