Born On Your Day
Douglas Leone
TechCrunch, CC BY 2.0, via Wikimedia Commons

billionaireentrepreneurTop tier

Douglas Leone

Entrepreneur · born July 4, 1957

$9.1Bolder estimate, as of 2025 · Forbes

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About

Douglas M. Leone is an American billionaire venture capitalist and former managing partner of Sequoia Capital. As of May 2026, his net worth was estimated at US$12.2 billion.

Adapted from Wikipedia (CC BY-SA 4.0).

Reported wealth

Each figure is a dated estimate from the publisher shown; wealth changes, and nothing here is live.

As ofEstimateSource
2025$9.1BForbes · current

Sources

Every fact on this page traces to one of these.

Sources (3)

Also born on July 4

Douglas's most notable birthday twins

Calvin Coolidge
politician

Calvin Coolidge

Politician

1872–1933 · United States

Calvin Coolidge was the 30th president of the United States, serving from 1923 to 1929. A Republican lawyer from Massachusetts, he served from 1921 to 1923 as the 29th vice president, under President Warren G. Harding, and from 1919 to 1921 as the 48th governor of Massachusetts.

Harris & Ewing, Public domain, via Wikimedia Commons

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Sources (2)
Susumu Kitagawa
scientist

Susumu Kitagawa

Scientist

1951 · Japan

Susumu Kitagawa is a Japanese Nobel Prize-winning chemist specializing in coordination chemistry, with a focus on organic–inorganic hybrid compounds and the chemical and physical properties of porous coordination polymers, particularly metal-organic frameworks.

日本学士院, CC BY 4.0, via Wikimedia Commons

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scientist

Gérard Debreu

Scientist

1921–2004 · United States

Gérard Debreu was a French-born economist and mathematician. Best known as a professor of economics at the University of California, Berkeley, where he began work in 1962, he won the 1983 Nobel Memorial Prize in Economic Sciences.

Sources (2)
Giuseppe Garibaldi
author

Giuseppe Garibaldi

Politician

1807–1882 · France

Giuseppe Maria Garibaldi was an Italian general, revolutionary and republican. He contributed to the Unification of Italy (Risorgimento) and the creation of the Kingdom of Italy.

In album: Cartes-de-visite portraits of U.S. Army officers, children, and others, p. 15, right., Public domain, via Wikimedia Commons

Sources (2)