Leadership within the “Window of Tolerance”—Enhancing Safety Capacity

In complex and high‑stakes operational environments, safety is no longer achieved merely by preventing errors but by building the capacity to fail safely. Modern safety leadership requires creating the conditions in which people can perform reliably amid uncertainty, variability, and pressure. This means cultivating an organisational climate where individuals operate within their “Window of Tolerance” the optimal zone in which they can think clearly, adapt, and make sound decisions even under stress. At the heart of this approach lies Psychological Safety, a foundational element that enables open communication, early reporting of weak signals, and constructive challenge. When people feel safe to speak up, organisations gain access to critical operational intelligence that would otherwise remain hidden until it is too late. Equally essential is embracing Human Performance principles: understanding that people are the system’s adaptive strength, not its vulnerability. Effective leaders shift from a mindset of controlling human behavior to one of supporting human capacity, recognising that mistakes can happen, but harm should not. A truly learning organisation amplifies these principles by continuously seeking to understand how work is done not only when things go wrong, but especially when things go right. By valuing curiosity, reflection, and the systematic capture of learning from normal operations as well as from failures, leaders build resilience into the system and foster continuous improvement. This plenary will explore how today’s leaders can integrate these concepts to redefine safety leadership—moving from a reactive, compliance‑driven model to a proactive, capacity‑focused one. It invites executives to consider how their own behaviors, communication patterns, and decision‑making practices directly shape the organisation’s ability to adapt, learn, and ultimately fail safely.​