In "What You Do Is Who You Are," Ben Horowitz, acclaimed venture capitalist and author, embarks on an enlightening exploration of how leaders can forge cultures capable of thriving in the flux of good and adverse times alike. Drawing from a rich tapestry of historical and contemporary examples, Horowitz unearths the pivotal role culture plays in decision-making within organizations. Through the remarkable narratives of figures such as Toussaint Louverture, the samurai, Genghis Khan, and Shaka Senghor, Horowitz illustrates not just how these leaders shaped their times, but how their cultural legacies offer invaluable lessons for today’s leaders. This book is a masterclass in understanding that the essence of a company’s culture is not in its declared values, but in the actions and decisions it embodies daily. Horowitz seamlessly weaves together stories from the past with modern case studies from companies like Netflix, Uber, and McDonald's, demonstrating how the principles of leadership and culture-building transcend time. By examining the strategies of these diverse leaders, "What You Do Is Who You Are" guides readers toward creating a culture that is intentional, inclusive, and capable of weathering the challenges of the modern business landscape. With practical advice and surprising insights, Horowitz challenges conventional wisdom, urging leaders to not only define who they want to be but to actively embody those values in every action and decision. This book is an essential roadmap for anyone looking to mold their organization’s culture into a powerful, cohesive force that stands the test of time.