This document discusses what it takes for leaders to become indispensable. It notes that many people feel underappreciated, unchallenged, and ineffective in their jobs. It states that to turn this around, leaders must make real changes in themselves and their lives. The document outlines three forces that shape leaders: the external environment, internal organizational dynamics, and leader selection systems. It advocates identifying one's strengths and their complement, then focusing on improving the complement through activities like cross-training and 360-degree feedback. The document discusses skill combinations that result in higher performance, such as drive for results paired with integrity and honesty. It provides examples of strengths and their complements that make leaders indispensable.