The document provides a summary of feedback from the Independent Science and Partnership Council (ISPC) on the pre-proposal for the second phase of the MAIZE CRP. Some key points from the ISPC feedback include: - MAIZE made a compelling case for further investment in maize research through CGIAR due to its global importance for food security. However, impact estimates need to be refined and validated. - MAIZE's comparative advantage was validated by a recent evaluation but the proposal could be strengthened by integrating sites from other CRPs like Humidtropics. - The overall theory of change and impact pathways are feasible but could show how they contribute to more SDGs. - Some