CEO
Americanabbreviation
abbreviation
Etymology
Origin of CEO
First recorded in 1910–15; originally Australian
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.
Simo, who also leads OpenAI’s communications team, had been talking to CEO Sam Altman about finding a way to own the messaging around not just their company, but AI more generally.
From The Wall Street Journal • Apr. 3, 2026
“Nothing could be worse. Every time we pass on a price increase to our customers, the price of aluminum goes up even more,” Reitnouer, the CEO of the Reading, Pa. company, said.
From The Wall Street Journal • Apr. 2, 2026
In February, it acquired xAI, the startup created by SpaceX CEO Elon Musk to develop artificial intelligence, including the chatbot Grok.
From MarketWatch • Apr. 2, 2026
“After building our industry-leading position in identity resolution, commerce, and creators, our next big bet is sport,” said Arthur Sadoun, Publicis Groupe’s CEO.
From Los Angeles Times • Apr. 2, 2026
The former chairman and CEO of Bear Stearns, and a Wall Street legend, Greenberg still kept an office at the firm and acted as a broker for a handful of presumably special investors.
From "The Big Short" by Michael Lewis
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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.