I am walking into a pitch meeting. The slides looked impeccable. The numbers were absolutely defensible. My team, on stand by with a rehearsed strategy. Under my blazer and the calm face however, my body is preparing for an unknown danger.
The heart rate has shifted. Breathing has become shallower. The body, in its ancient wisdom, has begun to ask a very old and yet odd question: Am I safe?
My colleagues might see this this an overreaction, or be more sympathetic and pass it off as nervousness. But it’s real, and it’s biology.
A growing body of neuroscience suggests that the brain is not a passive camera taking in the world as it is. It is more like a prediction engine, constantly using past experience to anticipate what is likely to happen next. Long before we consciously decide what a situation means, the brain is already preparing the body for what it predicts may be required.
In simpler times, and more familiar rooms, this is a gift. Predictability saves energy. We do not have to examine every email, every expression, every silence, every market signal as entirely new. The brain compresses the world into patterns, allows us to have clarity, and be decisive.
The trouble is, the lack of certainty and the pace of change around us.
Yesterday’s pattern may not hold tomorrow. The market does not move in a clean line. AI changes the meaning of capability before organisations have even finished defining productivity. Geopolitics reaches the supply chain. Employee expectations shift while leaders are still solving for last year’s engagement survey.
Deloitte’s 2026 Human Capital Trends describes this moment as one where pressures are no longer sequential but compounding.
A body treats this uncertainty as a threat.Research shows that not knowing what might happen can generate sustained anticipatory stress. In some ways, an imagined tiger can be more metabolically expensive than the tiger that actually appears, because the body keeps preparing for many possible versions of danger.
Inside organisations, this can look deceptively professional: over-control, endless alignment meetings, leaders asking for “just a little more data” when the real issue is that no amount of data can remove for uncertainty.
The traditional leadership fantasy is the leader as the person who knows. The future-ready leader may be the person who can stay present while not knowing, long enough for the system to reveal more of itself.
Here are some practices that we picked up.
1. First, acknowledge the uncertainty. People need leaders who can clearly say, “There is real uncertainty here. Here is what we know, here is what we do not know, and here is what we are going to test next.” Ambiguity becomes less threatening when it is held in language.
2. Second, slow down. In uncertain moments, speed can masquerade as strength. But the first reaction is often the oldest prediction. The defensive email. The premature reorg. The insistence on one right answer. See this pause as a biological intervention. It gives the prefrontal brain a chance to re-enter the room.
3. Third, design for many possibilities“What can we try that is safe enough to fail and useful enough to teach us something?” This is how the nervous system and the organisation both learn. Prediction doesn’t get eliminated; it is updated.
4. Fourth, build teams that can metabolise discomfort together. This is why psychological safety is not a nice cultural add-on, in fact it is an organisation’s sensing system. If people cannot speak early, weak signals stay weak. If dissent is punished, the system loses data. If leaders confuse calm with agreement, they may be standing in a room full of silent alarms.Information held collectively can become intelligence.
To defeat our predictive brains is impossible and undesirable. Prediction is how we survive. The challenge is to notice when an old prediction starts running in the current room.
The true measure of leadership is simply the capacity to create conditions in which better answers can emerge.

