We have always judged managers by what they produce: the deck that lands, the plan that holds together, the report that reads well on a Monday morning. For a long time that was a fair proxy. Doing good work and leading people well tended to travel together, so we could look at the output and reasonably infer the leader behind it.

That inference is coming apart. The deck, the plan, and the report are now partly the work of software, and they will keep moving in that direction. When the output stops telling you who can lead, you are left looking at the person instead, which is the harder thing most organizations have quietly avoided all along. Emotional intelligence in leadership is the name for what you find when you look there.

What Emotional Intelligence in Leadership Actually Is

Peter Salovey and John Mayer named the concept in 1990. They defined it as the ability “to monitor one’s own and others’ feelings and emotions,” and to use that reading to guide thinking and action. Daniel Goleman later brought it into management and set out five parts that leaders use every day: self-awareness, self-regulation, motivation, empathy, and social skill.

Goleman was direct about its place. He wrote that “emotional intelligence is the sine qua non of leadership,” meaning not the whole of the job but the condition the rest of it rests on. The distinction matters, because the two things people call intelligence are not the same. One measures reasoning. The other measures how a person handles emotion, their own and other people’s. Technical skill gets someone into a leadership role. Emotional intelligence decides most of what happens once they are in it.

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Why the Old Signal Is Breaking

For twenty years, output was a usable stand-in for leadership. A manager who produced clean analysis, tight plans, and good decks was assumed to be a capable leader and was promoted on that basis. The assumption held because producing that work took judgment, effort, and a real command of the material.

Software now produces a growing share of it. A manager who sends you a clean report may be showing you the quality of their tools rather than the quality of their leadership, and the output alone no longer lets you tell the two apart. Promote on that signal and you risk moving the wrong people into the roles where the human part of the job matters most. The measure that served for two decades has started to point at the wrong thing, and most promotion systems are not built to notice.

What sits on the other side of that measure is not a small thing. In his study of competency models across 188 companies, Goleman found that among senior leaders, close to 90 percent of what separated the strongest performers from the average came down to emotional intelligence rather than technical or cognitive ability. The figure comes from proprietary consulting data and its method has been argued over for years, but the direction it points is not seriously disputed: the higher the role, the more the human competencies decide the outcome. A separate study he reports, of a global food and beverage company in 1996, put money against it. Divisions whose senior managers had a strong base of emotional intelligence beat their annual earnings targets by 20 percent, while divisions without it fell short, and the pattern held across the United States, Asia, and Europe.

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What the Indian Data Shows

The Indian picture sharpens the point rather than softening it. Gallup put employee engagement in India at 32 percent in 2024, above the global figure of 23 percent, and found that managers account for around 70 percent of the variance in team engagement. Whatever moves engagement in an Indian workplace, the manager is doing most of the moving.

Two things are happening to that manager at once. The management layer is thinning, with the Indian IT sector slowing hiring and cutting mid and senior roles over the past year, a change Gallup notes some evidence links, in part, to AI adoption. At the same time, the managers who remain are holding wider spans and more people, which means each of them now carries more of the human work, not less. That is precisely the work that does not automate.

The link between that work and the result is well documented here. A study of 114 managers in Delhi’s banking sector found emotional intelligence and leadership correlated at 0.658, significant at the one percent level. Research on IT professionals in the National Capital Region found emotional intelligence tied most closely to the leadership style that builds teams rather than the one that merely transacts with them. In workplaces where junior staff rarely disagree openly, that reading ability counts for more, because disengagement stays quiet and a manager who cannot sense it often learns of it only when the resignation arrives.

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The Skills That Are Left

Take away the work that software can do, and what remains of management is a short list of things it cannot. Self-awareness comes first, because a leader who understands their own reactions can manage them before those reactions manage the team. Self-regulation follows, since senior roles run under steady pressure and a leader who holds their composure lets the team hold theirs. Empathy is the accurate reading of where another person actually stands, which is not the same as agreeing with them. Social skill is the daily work of listening, giving feedback, and having the conversation most people would rather postpone. None of these appear in a report, and all of them decide whether people stay, speak up, and do their best work.

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How Leaders Actually Build It

Emotional intelligence is learned, though not in the way the word “training” suggests. The ideas can be taught in a day. The capability takes months, because it is behaviour, and behaviour changes slowly and slips back under stress.

Most of the work happens in the gap between what a leader intends and how they actually land, and almost no one can see that gap on their own. It takes a mirror: honest feedback, structured input from a team, or a coach who will describe the effect a leader is having rather than the effect they meant to have. Self-awareness is less about introspection than about checking yourself against that outside view.

The rest is practice in the moment that counts. Self-regulation is built when a leader notices the impulse to react and chooses the response instead, in the meeting where it is hard rather than the workshop where it is easy. Empathy is built by testing a read out loud instead of acting on a private guess, asking whether the hesitation you sensed is really there before deciding what it means. This is slow and repetitive, which is exactly why organisations underinvest in it. It does not fit the workshop model, and it cannot be bought in a quarter. The organisations building it now are building the one thing a competitor cannot pick up on the same timeline. If that is the work you are trying to do with your leaders, it is the work we do at Quirkwise.

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Conclusion

For most of the last two decades, we could read leadership from the work a manager produced. That shortcut is closing, because the work is increasingly being done by the machine. What is left is the part that was always the actual job and was always harder to see: whether a person can hold trust, read a team, and say the difficult thing well. The Indian data lines up behind it. Managers drive engagement, engagement drives retention and performance, and a manager’s emotional intelligence sits underneath all of it, now across a thinner management layer than before. The measurable side of leading will keep getting cheaper. Everything that matters most about it was never on that side to begin with.

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