In late 2001, Enron had shocked the world with the biggest bankruptcy in US history (Vinten 2002, 4). This is the result from poor corporate governance and ethics by the management of Enron such as management self-interest which lead to fraudulent earning management. The incident alerts other company that a poor management of a particular company could lead to corporate failure even though the company is well-established originally. Corporate governance is process to control and direct a business (Mcconomy and Bujaki 2000). It also provides structure