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CIO

American

Or C.I.O.

abbreviation

Business. chief information officer: an executive in an organization who oversees policies and decisions relating to information technology and computer systems.
Business. chief investment officer: an executive in an organization who oversees financial assets.
Congress of Industrial Organizations.

CIO British

abbreviation

Congress of Industrial Organizations See also AFL-CIO

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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.

Nancy Tengler, CEO and CIO of Laffer Tengler Investments, is using the volatility to build up a position in high-quality equities in anticipation of a post-war rebound.

From Barron's • Mar. 29, 2026

Kempe, Grant Thornton’s CIO, sees a similar trend playing out where the role of core business software changes.

From The Wall Street Journal • Mar. 23, 2026

“It would be even more jarring for stocks and the economy if these oil price levels persisted for even a few weeks or even a few months,” said Montis Financial CIO Dennis Follmer.

From Barron's • Mar. 19, 2026

Co-author Alap Shah, CIO of Lotus Technology Management, confirmed on Bloomberg TV that his firm was short names in these sectors.

From MarketWatch • Mar. 19, 2026

These were all industries which employed significant numbers of Afro-Americans, and the CIO followed an aggressive, nondiscriminatory policy.

From The Black Experience in America by Coombs, Norman

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023