I saw everywhere Deputy CIO (Deputy Chief Information Officer), but how do I prove it? Could you advise me the source (with IT positions) I may use as a reference? HR department uses CIO Deputy, but I suggest it is wrong.

  • See also The Workplace – Kris May 2 '18 at 9:36
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    If he's a deputy how is he "chief"? – Hot Licks May 2 '18 at 11:56
  • "HR Department" needs some sort of determiner in front of it, probably the or our. – tchrist May 2 '18 at 12:31

Searching the Google Books corpus can give a reasonable picture of how words are used in printed works. Querying for deputy CIO and CIO deputy in a case-insensitive search to yield both titles and job designations, you get this NGram:

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This doesn’t mean that CIO deputy has never appeared in printed sources, but that a query could not find at least 40 hits.

To narrow down the results, you might try an Elephind search, which queries a number of collections of scanned newspapers. A query for CIO Deputy yields 11 hits, all of which are OCR errors for "ex-officio deputy" because the software couldn't handle the ffi ligature.

These results should convince your HR department. When it comes to language usage, an argument from silence should always win.

  • I struggle to come up with any titles of the form “Title Deputy” in lieu of “Deputy Title”, starting with how the sheriff’s deputy is the deputy sheriff, not the ✻sheriff deputy and going from there. Even in longer forms like assistant deputy attorney general, we’re still talking about an assistant deputy-AG and not something else. – tchrist May 2 '18 at 12:37
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    That in a compound deputy is always attributive would have taken longer to prove. A deputy mayor isn't a mayor deputy either. – KarlG May 2 '18 at 14:40

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