P PT Astra Agro Lestari Tbk is a company from the Astra International Group which is specialized, growing, and developing into a well known palm oil producer cultivated area in Indonesia . In order to increase their ability to be able to success in facing the global competition . PT Astra Agro Lestari Tbk has implemented the values of Corporate Governance which is one of them are the annual report and prospectus, which are contains all information that has been established each year. The role of a leader in an organization, such as PT Astra Agro Lestari Tbk, is closely related to the Good Co1porate Governance. One of the leadership behavior which following the changes and perceived proper to be applied in the present is the Principle Centered Leadership which was stated by Stephen R Covey 91997) . The objective of this research is to observe the principle centered leadership behavior rate and to see its influence toward the good corporate governance implementatiton. The data collecting in this research was implemented by using interview and questionnaire which are consists of Leadership Behavior Questionnaire which was adapted from Stephen R. Covey (1997) and developed by G. Suprayitno (2004). For the measurement of Good Corporate Governance, questionnaire which was adapted from the perception index 2003 which was established by IICG (The Indonesian Institute for Corporate Governance). The questionnaire was implemented to observe the significance of the Good Corporate Governance implementation which has been implemented by PT Astra Agro Lestari Tbk based on the commitment rate and the transparency rate. The questionnaire was then distributed to eight functions in PT Astra Agro Lestari Tbk, which are the Commisioner Board, Director Board, Remuneration Committee, Audit Committee, HGC, FCS, EDC, PDC Directors. The data processing technique was used here is the average rate, the mean rate which was by using the one way Anova, the Pearson Correlation, and the simple linear regression . The measurements results of the leadership style on PT Astra Agro Lestari Tbk, resulted the Principle Centered Leadership implementation rate of 3.87 form the scale 1-5. The measurement result of Good Corporate Governance based on the commitment rate and the transparency rate on PT Astra Agro Lestari Tbk generally resulted the commitment implementation rate of3.88 and the transparency rate of 4.27 from the scale 1-5. From the mean rate, there isno variant difference and the Principle Centered Leadership implementation , commitment, and real transparency from the eight functions which were measured in PT Astra Agro Lestari Tbk. From the correlation measurement result , there is a significant relationship between the Principle Centered Leadership behavior with the commitment and the transparency . The regression testing between the Principle Centered Leadersh ip behavior perceived not strong enough, however , could increase the commitment implementation rate in PT Astra Agro Lestari Tbk. The regression testing result between the Principle Centered Leadership behavior and the transparency perceived positive and have a significant relationship. Which means that the Principle Centered Leadership behavior implementation have a significant influence towards the increasing effort of the transparency implementation on PT Astra Agro Lesatri Tbk.