Most SaaS organisations do not consider themselves reactive. They describe their teams as customer-centric, responsive, and committed to resolving issues quickly. And in many cases, that is true. Problems are addressed. Escalations are handled. Renewals are saved.

But responsiveness is not the same as proactivity. Reacting well to problems does not mean the operating model is designed to prevent them. And when Customer Success functions primarily in reaction mode, the costs are not only operational — they are economic.

These costs rarely appear on a dashboard. They are not neatly summarised in quarterly reports. Yet they accumulate quietly in forecast instability, margin compression, and missed expansion opportunities.

Reactive Customer Success feels busy. It feels urgent. It often feels heroic. But economically, it is unstable.

The volatility tax

Customer health is still treated as an operational metric in most SaaS companies. It sits inside Customer Success dashboards. It’s reviewed in QBRs. It informs renewal discussions. But rarely does it influence financial forecasting, capital allocation, or board-level revenue planning.

I believe that's a mistake.

In an AI-enabled environment, customer health is no longer a sentiment score. It's a forward-looking revenue signal.

And once you treat it as such, it changes how you think about retention, growth, and capital efficiency.

Customer Health Has Been Under-Leveraged

Many organisations say Customer Success is a growth engine. Very few are actually designed for it.

In practice, Customer Success is still treated as a defensive function: protect renewals, manage risk, keep customers “happy enough” to stay. Expansion is encouraged, but rarely owned. Growth is expected, but inconsistently enabled. And when targets are missed, the root cause is often unclear.

AI has not changed this reality on its own. What it has done is make the gap between intention and execution impossible to ignore.

AI gives Customer Success unprecedented visibility into customer behaviour, risk, and opportunity. But visibility alone does not create growth. Leadership decisions do.

This post builds on the earlier parts of this series — from the evolution of the CSM role, to AI-ready operations, to trust, governance, and board relevance — to answer a harder question: what actually has to change for Customer Success to become a true growth engine?

Why “Customer Success as a growth engine” is mostly a myth today

For years, Customer Success has struggled to earn a consistent seat at the board table.Not because it wasn’t important — but because it was hard to translate.

Too often, CS updates sounded like anecdotes instead of evidence, sentiment instead of signal, reassurance instead of foresight. Boards don’t lack interest in customers; they lack predictable, decision-grade insight.

AI changes that.

Not because it suddenly makes Customer Success strategic — but because it makes it legible at the highest level of the organisation.

This post builds on the earlier parts of this series, where I explored how AI reshapes the role of the CSM, the systems that support Customer Success, the experience customers have at scale, and the trust and governance required to make AI usable. The final step is understanding what all of this means at the board level.

AI is no longer a future capability. It's already embedded in inboxes, browsers, and workflows, quietly shaping how work gets done across organisations. And yet, many companies still approach AI as a tooling decision rather than a leadership one.

What is becoming increasingly clear is that AI does not fundamentally change what leaders are responsible for. Instead, it changes how quickly weaknesses become visible. Poor decision-making, unclear priorities, and lack of accountability were always present; AI simply exposes them faster.

This is why AI adoption feels uneven across organisations. The challenge is rarely access to technology. It's leadership readiness.

In earlier posts, I explored how AI reshapes the role of the CSM, the systems that support their work, and the customer experience at scale.

This post builds on that foundation by looking at what AI demands from leaders themselves.