Shareholders: The shareholders in your Shareholder Agreement are the individuals who own shares in the company. They may own equal shares or varied percentages. Shares are generally classified as one of two types: A, which are voting shares, and B, which are non-voting shares. Shareholders may either be individuals or corporations, and it is recommended that all parties participate in a Shareholder Agreement.Directors: A director in a corporation is someone who implements the agreed upon company policies. Directors are elected or appointed by the shareholders. Generally, directors make most of the management decisions in the company, but their authority can be limited depending on the preferences of the shareholders.Officers: Officers in a corporation form the hierarchy of the company. Positions generally include a president, vice president, treasurer, and a secretary, but you may name other officers if you choose. Officers do not necessarily own shares in the business.