I In the context of a national economy based on the principles of economic democracy, pt. taspen plays a strategic role in improving the welfare of the community through the management of trust funds from the deductions of state employees\\\' salaries. the board of directors in managing the company must act in good faith. however, in practice, the board of directors has failed to demonstrate good faith, resulting in losses for the company. therefore, the board of directors may be held personally liable for such losses. the core issue is how the board of directors of pt. taspen (persero) is held accountable and the application of the fiduciary duty principle by the board of directors of pt. taspen (persero). this study uses a normative legal method of a descriptive nature, examining primary legal materials such as law no. 40 of 2007 on limited liability companies and law no. 19 of 2003 on state-owned enterprises, as well as relevant secondary legal materials. based on the analysis, the research findings indicate that antonius kosasih has performed his management functions incorrectly and may be held personally and jointly liable in accordance with article 97(3) of the limited liability companies act, if it is proven that the company\\\'s losses are a direct result of his actions.