He was the steadiest person in every room he entered. Board meetings, investor calls, restructurings — his voice never changed register. His team described him as unflappable. His chair called him the calmest leader she had ever worked with.
When he came to me, it was not because the composure had failed. It was because everything around it had. His decision-making had slowed. He could no longer hold complex trade-offs in his head during negotiations. In conversations that required creative thinking, he produced safe, conventional answers — the kind of responses that protect a reputation but do not move an organisation forward.
The composure was not the solution. The composure was the expense.
Suppression is not regulation
There is a common assumption about emotional control: that it is a stable trait, something people either possess or lack. She is calm under pressure. He does not get rattled. The language treats composure as a characteristic, like height or eye colour.
James Gross, the Stanford psychologist who has spent three decades studying how people manage their emotions, demonstrated that this is wrong in a specific and consequential way. Composure is not a trait. It is an activity. And like all cognitive activities, it consumes resources.
Gross's process model of emotion regulation identifies two fundamentally different strategies people use to manage what they feel. The first is expressive suppression — hiding the outward signs of an emotion while continuing to feel it internally. The smile held during a difficult conversation. The steady voice maintained while absorbing bad news. The controlled posture in a room full of people watching for any sign of weakness.
The second is cognitive reappraisal — changing what an emotional situation means before the full emotional response develops. Not hiding the reaction, but altering the interpretation that produces it. A hostile question becomes useful information. A crisis becomes a decision point. The emotion is not suppressed. It is redirected at the source.
The distinction matters because the costs are radically different.
In a series of experiments conducted with Jane Richards, Gross asked participants to watch emotionally provocative films under different instructions. Some were told to suppress their emotional expressions — to keep their faces neutral regardless of what they felt. Others received no regulatory instructions. Afterwards, all participants were tested on their memory for the details of what they had watched.
The suppressors remembered less. Not because they had looked away from the screen. They had paid the same visual attention as everyone else. But the act of suppression — the continuous cognitive effort of monitoring and controlling their facial expressions — had consumed working memory that would otherwise have been available for processing what was happening in front of them.
Richards and Gross titled their 1999 paper with a question that deserves to be asked more often in organisations that prize composure: Composure at Any Cost?
The cost was not only cognitive. Suppression also increased cardiovascular activation — heart rate, blood pressure, sympathetic nervous system arousal. The body was working harder to maintain an exterior that did not match the interior. And mediational analyses showed that the cognitive impairment and the physiological strain were independent effects. Two separate prices, paid simultaneously, for the same performance of calm.
Reappraisal produced none of these costs. Participants who changed how they thought about the emotional material — rather than hiding their response to it — showed no memory impairment and no additional cardiovascular strain. The calm was real, not performed. And because it was real, it was free.
The mask is a cognitive tax
This finding illuminates something that "The Mask That Costs You the Room" explored from a different angle. The leader who constructs a public self — who lowers the voice, flattens the face, performs authority — is not simply risking inauthenticity. They are paying a cognitive tax.
Every moment spent monitoring whether the mask is in place is a moment of working memory diverted from the actual task. The leader in the difficult negotiation is simultaneously doing two things: negotiating, and watching themselves negotiate. The surgeon delivering bad news to a family is simultaneously managing the information and managing their own face. The politician absorbing a hostile question on live television is simultaneously formulating a response and controlling the micro-expressions that might betray uncertainty.
This is not a metaphor. It is a measurable phenomenon. Suppression consumes the same executive resources — the same prefrontal cortex capacity — that complex thinking requires. The leader who is praised for being calm under pressure may be calm precisely because they have redirected cognitive resources away from the deeper work of judgement, creativity and strategic thought.
The composure is visible. The cost is not.
The smiles that were on them but not of them
Arlie Hochschild understood this forty years before the neuroscience confirmed it. In 1983, the Berkeley sociologist published The Managed Heart, a study of flight attendants that introduced the concept of emotional labour — the requirement to manage one's feelings as part of one's job.
Hochschild spent years with Delta Air Lines flight attendants, observing their training and interviewing them about the experience of performing prescribed emotions for eight hours a day. The attendants were trained to smile, to remain warm and patient with difficult passengers, to project calm during turbulence. The airline did not merely require compliance. It required feeling — or at least a convincing performance of it.
What Hochschild found was that the attendants who surface-acted — who smiled without feeling the warmth behind it — described a specific form of estrangement. Their smiles, they said, were "on them but not of them." The expression belonged to the airline, not to the person wearing it.
The attendants who tried to genuinely feel the prescribed emotions — Hochschild's "deep actors" — reported less of this estrangement. But both groups paid a price. The surface actors risked cynicism and detachment. The deep actors risked losing track of what they actually felt, independent of what they were required to feel. Both reported difficulty "coming down" after work — difficulty returning to their own emotional register after hours spent in someone else's.
Hochschild was writing about flight attendants. But the relevance to leadership is immediate. Senior leaders are required to perform composure, confidence and reassurance as a condition of their role. The chief executive who looks worried destabilises the organisation. The military commander who shows fear undermines the unit. The head of government who appears uncertain invites panic.
The institutional demand for performed calm is not irrational. Organisations and societies need leaders who can project stability. The problem is that almost nobody accounts for what the projection costs.
The body keeps the invoice
The cognitive costs documented by Gross and Richards are acute — they occur in the moment of suppression and dissipate when the suppression stops. But leaders do not suppress once. They suppress continuously, across months and years of sustained high-stakes performance.
The physiological evidence for what sustained emotional regulation does to the body is less tidy than the laboratory findings, but the direction is consistent. Cortisol — the hormone released under stress — follows a specific pattern in people who face chronic social-evaluative pressure. Sustained social-evaluative stressors, the kind endemic to senior leadership, produce the most prolonged cortisol responses of any stress type.
Chronically elevated cortisol does not simply make people feel stressed. It changes the architecture of the brain. The prefrontal cortex — the region responsible for strategic thinking, working memory and, ironically, emotional regulation itself — begins to atrophy. The amygdala, the brain's threat-detection system, enlarges. The net effect is a leader whose capacity for exactly the kind of complex, flexible thinking their role demands is being degraded by the biological cost of performing that role.
A recent study published in Communications Psychology found that participants with higher cortisol levels, induced via social-evaluative stress, produced lower-quality decisions and reported higher experienced time pressure — even when the actual time available had not changed. The stress did not merely impair their thinking. It altered their perception of the conditions under which they were thinking.
This is the long-term version of what Richards and Gross documented in the laboratory. Suppression costs cognitive resources in the moment. Sustained suppression costs cognitive infrastructure over time.
What survived the replication crisis
There is a tempting narrative here: emotional regulation depletes a finite resource, like a battery that runs down. Roy Baumeister proposed exactly this in 1998, in what became one of the most cited findings in social psychology — the ego depletion effect. The idea was elegant: self-control draws on a limited pool, and exerting it on one task leaves less available for the next.
The narrative deserves scepticism. In 2016, a pre-registered replication attempt involving more than two thousand participants across twenty-three laboratories found little evidence for the classic ego depletion effect. The simple resource model — willpower as a tank that empties — was probably too neat.
This matters for intellectual honesty, and ALTIUS does not ignore inconvenient evidence. But what the replication crisis challenged was a specific mechanism, not the underlying observation. The evidence that suppression impairs cognition comes from a different research tradition — Gross's emotion regulation work — and has replicated consistently. The evidence that sustained cortisol elevation degrades prefrontal function comes from neuroendocrinology, not social psychology, and is well established.
What we can say with confidence is this: the act of suppressing emotional expression consumes cognitive resources in the moment, impairs memory, and increases physiological arousal. What we can say with reasonable confidence is this: sustained emotional regulation under chronic social-evaluative stress produces cortisol patterns associated with prefrontal degradation and impaired executive function. What remains contested is whether there is a single, depletable "resource" that connects these phenomena, or whether the costs operate through multiple, partially independent mechanisms.
The distinction between these levels of certainty matters. But for a leader who has spent years performing composure while feeling the cognitive ground shift beneath them, the academic debate about mechanism is less important than the fact that every model — contested or confirmed — points in the same direction.
Composure is not free.
The question nobody asks
In my experience preparing leaders for high-pressure roles, the most dangerous assumption is that composure is a sign of capacity. It can be. A leader who has genuinely reappraised a crisis — who has changed what the situation means to them — can be calm and cognitively sharp simultaneously. Their composure reflects the quality of their thinking.
But a leader who is suppressing — who is performing calm while the emotional response continues unabated beneath the surface — is spending cognitive resources on the performance that are no longer available for the work. Their composure does not reflect the quality of their thinking. It competes with it.
The practical implication is that the method of achieving composure matters at least as much as the composure itself. Two leaders can look equally calm. One is calm because they have reframed the situation. The other is calm because they are holding the mask in place. From the outside, they are indistinguishable. From the inside, one is thinking clearly. The other is thinking with whatever is left after the tax has been paid.
This is what I have come to think of as regulation cost — the cognitive and physiological price of sustained emotional management, paid invisibly, accumulated over time, and almost never accounted for in how we assess, select or support people in high-pressure roles.
We train leaders to stay calm. We rarely ask how they are staying calm. We reward the appearance of composure. We almost never measure what it is costing.
Every leadership assessment asks one question:
Can this person remain composed under pressure?
The harder question, which almost nobody asks:
What is the composure costing them?
The answer depends entirely on whether the calm is real or performed. And the difference — invisible from the outside — determines whether composure is a leadership asset or a leadership expense.
ALTIUS Note
This article belongs to the ALTIUS editorial library: evidence-based essays on Human Performance, Leadership and Society.
Tags: Psychology, Leadership, Health
Selected Research Foundations
Gross, J. J. — "Emotion Regulation: Affective, Cognitive, and Social Consequences" https://doi.org/10.1111/1469-8986.00124
Richards, J. M., & Gross, J. J. — "Composure at Any Cost? The Cognitive Consequences of Emotion Suppression" https://doi.org/10.1177/01461672992511010
Richards, J. M., & Gross, J. J. — "Emotion Regulation and Memory: The Cognitive Costs of Keeping One's Cool" https://doi.org/10.1037/0022-3514.79.3.410
Hochschild, A. R. — The Managed Heart: Commercialization of Human Feeling (University of California Press, 1983)
Hagger, M. S., et al. — "A Multilab Preregistered Replication of the Ego-Depletion Effect" https://doi.org/10.1177/1745691616652873
Starcke, K., & Brand, M. — "Decision Making Under Stress: A Selective Review" https://doi.org/10.1016/j.neubiorev.2012.02.003
