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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.

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

There’s a “great divide between short-term and long-term inflation expectations,” wrote Cameron Dawson, NewEdge Wealth CIO in a post External link.

From Barron's • Apr. 7, 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

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

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