Who is the most powerful in business? Is it the manager, the supervisor, or the business owner? It could be the business owners to be the most powerful in business if voted as the company or business Chief Executive Officer ( CEO) . The CEO in most companies will have several executive directors responsible for the day-to-day running of the business and these directors report directly to the CEO. Above all others, the CEO is the top decision maker in the business who will delegate responsibilities to the executive management team. The CEO will be the one to execute laws but must also be approved by the board.