Charity21, led by Sarah Hughes, provides strategy, co‑pilot and consulting services and champions Lean Impact practices to help philanthropists, foundations and social entrepreneurs maximise social impact by aligning mission, measuring what matters, and iterating efficiently; this practical, experience‑based guidance on using financial and human capital for effective philanthropy directly supports Part 1: Our Agency and Global Urgency and the chapter "Your Capital And the Power of Generosity," offering concrete methods to translate values into purposeful investment and amplified generosity.