Top executive in a firm who is responsible for a firm’s overall well-being in terms of operations and performance. The hired leader of the firm, serving as the main link between the board of directors or board, and the firm’s other various parts or levels. The CEO typically is held solely responsible for the firm’s success or failure. One of the major duties of A major CEO duty is the governance for maintaining and implementing corporate policy. Policy is usually established by the board. Sometimes known as the company President or managing director, but these can be roles out of scope for the CEO. The chairman (or chairperson) of the board may also be the CEO .