This chapter introduces the Boards 4AI Matrix, a tool designed to help corporate boards assess and enhance their organization’s AI maturity across three dimensions: guiding AI operational capabilities, supervising AI governance capabilities, and leading strategic ambition. This structured framework helps boards to harmonize AI deployment with responsible governance, ensuring both innovation and ethical oversight. The chapter supports boards with clarifying questions tailored to different maturity levels, offering guidance for how boards can assess their current capabilities in AI guidance, supervision, and strategic transformation. These questions help boards identify their stage, pinpoint gaps, and prioritize actions for strengthening their AI leadership. The chapter emphasizes the need for continuous learning, adaptability, and collaboration to achieve sustainable value creation, bridging knowledge gaps, and fostering responsible, value-driven AI leadership.