cofounder
Americannoun
Etymology
Origin of cofounder
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.
OpenAI, CEO Sam Altman and Microsoft are listed as defendants in former OpenAI cofounder Elon Musk’s lawsuit over OpenAI’s creation of a “capped profit” subsidiary in 2019.
From MarketWatch • Apr. 27, 2026
President Donald Trump, a fierce opponent of AI regulation, counts OpenAI's cofounder Sam Altman and its president Greg Brockman among his biggest donors.
From Barron's • Apr. 25, 2026
Karl Diesseroth is a cofounder and a scientific advisory board member of Stellaromics and Maplight Therapeutics, and advises RedTree and Modulight.bio.
From Science Daily • Mar. 26, 2026
Why Palantir cofounder and CEO Alex Karp views working with Western militaries not just as a business opportunity, but as a higher calling.
From Slate • Mar. 22, 2026
In the same burgundy booth a few hours later, Michael A. Wiener, cofounder of the multibillion-dollar Infinity Broadcasting, grabbed a bite with his wife, Zena.
From "Class Matters" by The New York Times
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
