C-suite vs chief experience officer

C-suite

noun
  • Senior headquarters executives. 

  • The group of officers of a business organization who have the word "chief" in their titles. 

chief experience officer

noun
  • An executive responsible for the overall experience of an organization's products and services. 

How often have the words C-suite and chief experience officer occurred in a corpus of books? (source: Google Ngram Viewer )