The shareholders' committee is the highest decision-making unit in the company. The committee elects the member of the board of directors and set up functional committees such as the audit committee and the remuneration committee. The chairman of the board is elected by the board of directors, and reports to him/ her is the president who oversees the company's business. Two vice president assist president business operation. There are eight departments responsible for various business functions. The board of directors has an audit office responsible for the audit and reports to the chairman and the board of directors.