Management Is Not a Promotion. It’s a Profession. The 2026 Numbers Make That Undeniable.

There’s a quiet assumption baked into how most firms make leadership decisions. It generally goes something like this: if someone is a top performer, they’ll figure out management. They’re smart. They’re motivated. They got here on their own. They’ll figure out the next stage that same way.

Recently released studies, however, have officially sealed that assumption in a box and buried it deep in the forest where hopefully nobody ever finds it again! In fact, if you read only one report this year, make it Gallup’s State of the Global Workplace 2026. The numbers are anything but subtle:

• Global employee engagement has fallen to 20% (the lowest level since 2020);
• Disengagement now costs the world economy roughly $10 trillion in lost productivity (equivalent to 9% of global GDP);
• Manager engagement itself has dropped nine points since 2022, with the steepest year-over-year decline coming between 2024 and 2025; and
• Managers account for 70% of the variance in team-level engagement.

That last data point (which we continue to see year after year) is one that should be taped to every advisory firm owner’s monitor. Because it’s unequivocal proof that the difference between your best and worst teams is mostly about who’s leading them. Not pay. Not perks. Not strategy. The manager.

Leadership development simply cannot be viewed as ‘optional’ any longer. Arguably, a strong case can be made that it’s the single highest-leverage investment your firm can make. Unfortunately, the firms that insist on continuing to treat it as a discretionary expenditure will continue to bleed talent, growth, and enterprise value – all while desperately trying to convince themselves the problem is with the labor market.

What Does an Untrained New Manager Really Cost?

Let’s run the numbers on what an untrained new manager actually costs. Gartner research has assessed an extensive number of organizations (sufficient enough to qualify as an industry baseline) and uncovered the following worrisome fact:

Approximately 60% of new managers fail within their first 24 months!

The reason is almost never incompetence. After all, these are your very best performers who have been promoted into managerial roles. Rather, they failed for one simple reason – because nobody ever took the time to teach them how to properly and effectively succeed in their new role.

Now combine that with Gallup’s 2026 finding that managers drive 70% of team engagement. A failing new manager doesn’t just struggle personally; they drag the engagement of an entire team down with them. Let’s assume the individual is managing a six-person team. If just one of those team members quits because of the dynamic, you’re looking at:

• The costs incurred to replace the departing employee;
• The drag on the remaining team members’ engagement and output;
• A potential reputational hit when the failed manager has to be walked back; and
• The opportunity cost of whatever the team would have produced under competent leadership.

Now multiply that by however many new managers you’ve promoted over the last three years and you’ll likely be shocked by the combined cost. The investment to prevent it, however (i.e., a real leadership development program with frameworks, coaching and peer learning sustained over months), typically costs a fraction of a single failed promotion.

The cost comparison isn’t even a close call.

Why ‘figuring it out’ does not work

There’s a romantic theory of leadership that says great managers are born, that they learn by doing, and that the school of hard knocks produces the best leaders. It’s a nice story. But the data doesn’t bear that out.

What the data actually shows is that managers who receive formal training significantly outperform those who don’t on every metric that matters:

• Team engagement;
• Retention;
• Output; and
• Their own job satisfaction.

The Gallup study found that within best-practice organizations, 79% of managers were engaged at work — nearly quadruple the global average. Those organizations aren’t lucky. They’ve built systems for developing leaders, and those systems are paying off.

‘Figure it out’ isn’t actually a model. It’s an abdication of responsibility. It says: “we’ll move you into the most important role in determining whether your team thrives or implodes, and then we’ll leave you to learn from your mistakes, on the backs of your team, in real time.” Sure, occasionally with an outlier it may work. But it fails far more predictably. And the resulting failures are often incredibly expensive.

What leadership training actually delivers

Real programs (not one-day workshops, binders, or a podcast subscription) deliver four essential tools. And they do so consistently:

1. Frameworks – New managers typically need a model for delegation, for feedback, for one-on-ones and for accountability conversations. They don’t need vague theories, but instead repeatable structures they can use from Day One in their new role.
2. Language – Most management failures are at their core communication failures. New managers often don’t know how to say the hard thing without softening it into mush or sharpening it into a weapon. Training gives them the right words.
3. Self-awareness – Managers often don’t have a good sense of how they’re perceived. Training, done well, involves 360 feedback, peer observation, and structured reflection. The unexpected gift of leadership development is that it tells people the truth about themselves in ways their boss is unlikely to.
4. A peer community – This is perhaps the most under-appreciated tool and benefit. Going through the work alongside other new managers — in the same firm, in the same industry, or across industries — is consistently what participants cite as most valuable a year into their new role.

The Takeaway

While the Gallup data is compelling, the reason 2026 is a watershed for this conversation is the convergence of multiple factors: engagement at a five-year low; manager engagement falling faster than anyone else’s; burnout climbing across every generation; and AI raising the floor on technical work and pushing the differentiated human capability up the stack toward judgment, communication, and leadership.

Firms that are still treating leadership development as a ‘nice to have’ line item are running a severely outdated playbook. Firms investing in it, on the other hand, are quietly building enterprise value the rest of the market hasn’t yet perceived.

Remember that management isn’t a promotion. It’s a profession. It has its own skills, its own discipline, its own failure modes, and its own body of knowledge. You wouldn’t promote your best advisor to CFO and assume they’d just figure it out on their own. Nor would you promote a strong analyst to general counsel without first sending them to law school. But somehow, as an industry, we keep promoting our best producers into management and acting surprised when they struggle without any meaningful training. Leadership training isn’t the soft thing. It’s the lever. Pull it.

Coaching Questions From This Article

1. When you transition your highest-performing advisors into management roles, what repeatable frameworks and specific tools are you providing them on Day One to ensure they don't fail?
2. Given that managers account for 70% of the variance in team engagement, what current growth or retention bottlenecks that you’re attributing on 'the labor market' are actually due to inadequate development of your leadership team?
3. As AI handles more of your technical, baseline analytical work and elevates the need for purely human capabilities, how effectively is your current training playbook preparing new managers to lead through judgment, communication, and rising employee burnout?