Depends on what executive actions only the CEO can perform. I've seen this happen in a microcosm, where the managing director just refused to do things, and due

Depends on what executive actions only the CEO can perform. I've seen this happen in a microcosm, where the managing director just refused to do things, and due to tasks only he had authority to do, contracts went unsigned. Obviously large corporation will be more robust, and have things like attorney of power that - so that there's no single point of failure. But, these things happen.