It is appointed by the Board of Directors, which makes management decisions on behalf of shareholders, and bears ultimate responsibility for corporate management policies. It is often the same as the chairman of the board of directors. Japan call “Sai ko kei ei seki nin sha”.
CEO(chief executive officer) is at the top of executive officer system. the corporate executive responsible for the operations of the firm. japanese says Sai-ko-kei-ei-seki-nin-sya.