This document summarizes a presentation given by Eddy Helm and Jade Tang for Raeburn House's Leading Change Day. The presentation discusses how great leaders inspire action by starting with the cause or "why" of their work. It provides examples of companies like Dove, Apple, and Lynx that communicate their cause effectively. The presentation urges leaders to clearly understand their own "why" and ensure everything they do advances their cause. It poses questions to help leaders evaluate if their organization truly understands and aligns with its shared purpose or "why".