I think you also need to be expecting the CEO to "clean house" at the top if you realistically want anything to change. The CEO may set the culture, as much as

I think you also need to be expecting the CEO to "clean house" at the top if you realistically want anything to change. The CEO may set the culture, as much as that is set from the top down, but by the time a company actually starts having problems visible to the outside, its entire suite of executives, VPs, etc, have optimized their career for the sort of problematic attitude the previous CEOs demanded.