The CEO era gave rise to the CFO (not certified flying object, as you might imagine, but chief financial officer) and, most recently, the CIO, chief investment officer, a nice boost for the bookkeeper you can't afford to give a raise . . .
William SafireNever look for the story in the 'lede.' Reporters are required to put what's happened up top, but the practiced pundit places a nugget of news, even a startling insight, halfway down the column, directed at the politiscenti. When pressed for time, the savvy reader starts there.
William SafireWhy use a modifier to set straight a not-quite-right noun when the right noun is available?
William Safire