Arash Ghashami - PhD. Student, Department of Information Technology Management, Science and Research branch, Islamic Azad University, Tehran, Iran.
Mahmood Alborzi - Associate Professor, Department of Information Technology Management, Science and Research branch, Islamic Azad University, Tehran, Iran.
Farzad Movahedi Sobhani - Associate Professor, Department of Information Technology Management, Science and Research branch, Islamic Azad University, Tehran, Iran
Reza Radfar - Professor, Department of Information Technology Management, Science and Research branch, Islamic Azad University, Tehran, Iran

The main purpose of this study, is to provide the maturity based approach to implementing BI systems in organizations. This research not only recommends considering the level of BI maturity while planning for the implementation, but also recommends the use of IT governance levers in order to increase the level of efficient usage of such systems. In this research, while analyzing the subject by experts in the Delphi Fuzzy method, these ideas have been reviewed and verified in nearly 109 organizations responding to the questionnaires. The result of this research is fuzzy inference engine that suggest the best execution package required, by entering data on the size and maturity of the organization. Packages containing the appropriate implementation methodology, products at that maturity level and, consequently, IT governance processes and requirements to that level of maturity.