What makes some leaders so effective when the stakes are high, while others fall short? Why are some able to not only survive but to lead their organizations to new heights even in risky, fast-changing times? The answer is succinct but multi-layered: such leaders display courage, judgment, and fortitude.

High-stakes leadership does not require unnatural powers, nor is it predicated on a dangerous situation. The three signature character traits can be cultivated by anyone at any level in any organization, big or small. Organizational and leadership consultant Constance Dierickx...