Dictionary.com
Thesaurus.com
Showing results for CIO. Search instead for XIO.

CIO

American  
Or C.I.O.

abbreviation

  1. Business. chief information officer: an executive in an organization who oversees policies and decisions relating to information technology and computer systems.

  2. Business. chief investment officer: an executive in an organization who oversees financial assets.

  3. Congress of Industrial Organizations.


CIO British  

abbreviation

  1. 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.

David Miller, CIO and portfolio manager at Catalyst Funds, told MarketWatch that despite the “large tear” Micron’s stock has been on, it’s still trading at under 10 times forward earnings-per-share estimates.

From MarketWatch • May 27, 2026

David Miller, CIO and portfolio manager at Catalyst Funds, told MarketWatch that despite the “large tear” Micron’s stock has been on, it’s still trading at under 10-times forward earnings-per-share estimates.

From MarketWatch • May 27, 2026

Charles-Henry Monchau, CIO of the Swiss private bank Syz Group, says UAE's departure is the "end of Opec as we knew it".

From BBC • Apr. 29, 2026

“This is encouraging and highlights that earnings growth has broadened in recent quarters,” writes David Lefkowitz, CIO head of U.S.

From Barron's • Apr. 27, 2026

Educated at convent of Mont CIO Chantal in W. Va. As young woman was teacher and leader in Southern library movement.

From Jailed for Freedom by Stevens, Doris

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "CIO" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com