Born On Your Day
Brendan Eich
Darcy Padilla, CC BY-SA 3.0, via Wikimedia Commons

CEOexecutivescientist

Brendan Eich

Scientist · Mozilla Corporation · born July 4, 1961

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About

Brendan Eich is an American computer programmer and technology executive. He created the JavaScript programming language and co-founded the Mozilla project, the Mozilla Foundation, and the Mozilla Corporation.

Adapted from Wikipedia (CC BY-SA 4.0).

Milestones, by age

Dated facts from Wikidata; ages marked “about” come from year-only dates.

  1. 34Notable work: JavaScriptSeptember 1, 1995
  2. 44Became chief technology officerAugust 1, 2005
  3. 52Became CEO of Mozilla CorporationMarch 24, 2014

Sources

Every fact on this page traces to one of these.

Sources (2)

Also born on July 4

Brendan's most notable birthday twins

Douglas Leone
billionaire

Douglas Leone

Entrepreneur

1957 · United States

$12.2Breported estimate as of May 2026 · Forbes

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.

TechCrunch, CC BY 2.0, via Wikimedia Commons

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Sources (4)
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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Sources (2)