Publicly and privately held for-profit corporations often confer corporate titles or business titles on company officials as a means of identifying their function in the organization. In addition, many non-profit organizations, educational institutions, partnerships, and sole proprietorships also assign titles of the same nature. Common corporate titles, such as Chief Executive Officer (CEO), Chairman of the Board, and President, are often used interchangeably. Variations There are considerable variations in the hierarchical structure of companies. For instance, some corporations have a Chairman and CEO for a chief administrator, while the number two is the President and Chief Operating Officer (COO); other companies however, have a President and CEO with no official deputy. Executive Vice President is commonly used as the title for a division head. However, this position can also be referred to as Vice Chairman, or even President and CEO of the