The relevance of knowledge management to the GEF mandate has been increasingly recognized over the past 15 years. However, the Third, Fourth, and Fifth Overall Performance Studies of the GEF reported that the approach to knowledge management during this period was not comprehensive and had insufficient resources. This evaluation assessed the role of the GEF partnership as a knowledge broker and provider, the relevance and effectiveness of knowledge management and sharing across the GEF partnership, and the barriers to and opportunities for successful implementation. The aim was to identify any eventual systemic issues that need to be addressed in planning for GEF-7.