What can Camille Claudel teach you about mentoring — and Morandi about the power of ritual? Transmit What You Built is the fifth and final book of The Leadership Codex, a fifty-chapter journey where each chapter delivers one field-tested leadership tool and one masterpiece of art. This last book changes the rules, and the reader should know it before entering. There are no frameworks here, no acronyms, no corporate cases. In their place: lives. Each of the ten chapters pairs one leader from history with one artist, separated by centuries and joined by a single theme — the passage from contributor to leader, coaching and mentoring, learning organisations, the silent power of rituals, the loneliness of leadership, personal evolution, transmitting values across generations, leaving a mark without leaving a scar, reflecting on the journey — and closes with a Manifesto. Scipio Africanus and Molière. Charles de Gaulle and Camille Claudel. Alfonso X and Hokusai. Tokugawa Ieyasu and Giorgio Morandi. Charles V and Goya. Isabel of Castile and Picasso. Thomas Aquinas and La Fontaine. Eisenhower and Michelangelo. Marcus Aurelius and Rembrandt. Eighteen lives, read slowly, the way a leader must learn to read what remains when the room is empty. Every chapter shows how these figures actually transmitted what they built, the objects that prove they existed, and the legacies that prove they still act — and offers the reader four questions, two paths, and the tools from the previous four books that support the passage. Three annexes close the Codex: Don Quijote, the leader everyone should aspire to be; Talent and Fortune; and The Art of Leadership. One chapter, one tool, one work of art — fifty times, across five books. This is the last. Carlos Contreras is a Chilean executive who has led multicultural teams of several hundred people through complex, large-scale operations. He teaches Project Management and Leadership at ISC Paris Business School.