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cofounder

American  
[koh-foun-der] / koʊˈfaʊn dər /
Or co-founder

noun

cofounders plural
  1. a person who founds or establishes something with another.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of cofounder

First recorded in 1595–1605; co- + founder 1

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Couples are also getting married later, points out Julia Rodgers, cofounder of US prenup platform HelloPrenup.

From BBC Jul. 28, 2026

It’s a bit of an overstatement to say “the Pope came out as anti-A.I.” with last week’s encyclical—after all, Anthropic’s cofounder was there for the release.

From Slate Jun. 5, 2026

Instead, she and her cofounder, Louisa Pierce, replaced the material with more durable hardwood flooring throughout the upper level.

From MarketWatch Jun. 1, 2026

He noted the phalanx of tech moguls at Trump's inauguration last year, and the close ties between Mistral's cofounder Arthur Mensch and French President Emmanuel Macron.

From Barron's Apr. 25, 2026

The cofounder, Sasha Chanoff, has been a vocal advocate for the Banyamulenge.

From "How Dare the Sun Rise" by Sandra Uwiringiyimana

BioNTech shares fell 14% after cofounders announced their departure and the company projected 2026 revenue below forecasts.

From The Wall Street Journal Mar. 10, 2026

At the time, Apple’s cofounders, he added, were “putting everything on the line.”

From Los Angeles Times Jan. 13, 2026

“We are relieved and overjoyed to continue helping the many women who come to our clinic seeking help,” said Dede Chism and Abby Sinnett, mother-and-daughter cofounders of Bella Health and Wellness.

From Washington Times Oct. 23, 2023

But of last year, of the eight cofounders, only two remained at the company.

From BBC May 26, 2023

The firm's cofounders pleaded guilty in federal court in New York and each agreed to pay a $10 million criminal fine.

From Reuters Dec. 14, 2022

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