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The COO is, by almost every logic, next in line. The role exists to run the business day-to-day while the CEO sets direction. Operationally, no one knows the machine better. When the CEO seat opens and the board reaches past the COO to appoint someone else, it sends a signal the rest of the organisation reads immediately, even if the press release says otherwise.
This happens more than boards like to admit. And the consequences play out over months, not days.
Why boards pass over the COO
The decision is rarely about competence. A COO who couldn't run the business would already be gone. The reasons boards look elsewhere tend to cluster around three things: strategic fit, external optics, and board relationships.
Strategic fit is the most defensible reason. If a company is pivoting hard, say from domestic infrastructure into offshore capital markets, or from product delivery into platform licensing, the COO's skills may be exactly wrong for the next chapter. The operator who excels at execution can struggle with the ambiguity that strategic reinvention demands. Boards hire for the future, not for tenure.
External optics matter more than they should. When a company has been through a public stumble, regulators, institutional shareholders, and media all want to see visible change. Promoting from within can read as "same team, new badge." An external hire signals the board takes the problem seriously. It's theatre, partly. But it's theatre with real consequences for the existing leadership team.
Board relationships are the third factor and the least discussed. COOs work primarily with the CEO and the exec team. They don't always develop the same direct rapport with non-executive directors that a CFO or a long-serving general counsel might. A board that doesn't know a COO well will hesitate. That hesitation, in a succession process running over six months, can be decisive.
What the passed-over COO does next
There are three common paths, and only one of them is good for the company.
The first is departure. Most COOs who are passed over leave within 12 months. They don't make a scene. They take a call from an executive recruiter, accept a CEO role at a smaller company or a portfolio company backed by private equity, and announce a "mutual decision" to move on. The board usually sees this coming and has already begun a quiet replacement search.
The second is a diminished stay. The COO remains, but the energy changes. The new CEO brings their own operating preferences, often their own trusted lieutenants. The COO finds the role slowly reshaped around them until it no longer resembles the job they accepted. This is the worst outcome for the business: a demotivated operator who knows where every body is buried, still in the building.
The third path is rarer but worth naming. Some COOs reframe the moment. They clarify their scope with the incoming CEO, take on a genuinely expanded portfolio, and use the experience of working under new leadership to build skills they hadn't needed before. This requires a specific temperament and a new CEO who is secure enough to want a strong number two. It works when both conditions are true.
What the board should have done differently
The honest answer is that most COO-bypass situations are avoidable if succession planning is done seriously and early. The problem is that boards often treat succession as a compliance exercise rather than a strategic one.
When the COO hasn't been given board exposure, hasn't been tested in external stakeholder settings, and hasn't had a clear development conversation about what the board is looking for in a future CEO, the bypass isn't a decision. It's a default. The board hasn't assessed the COO; it's simply unfamiliar with them.
When succession plans fail at ASX companies, the failure almost always starts two to three years before the vacancy. By the time the chair is interviewing candidates, the COO's fate is usually already settled, one way or another.
Boards that get this right create deliberate exposure: COOs presenting to the board on strategic matters, not just operational updates. They commission external assessments. They have direct conversations with the COO about the gap between where the person is and what the CEO role requires. These conversations are uncomfortable. They are also the only ones that give the COO a real chance.
The organisational ripple effect
When word gets around that the COO was passed over, and it always does, the broader executive team recalibrates. People who had been loyal to the COO as an internal power centre start hedging. Direct reports wonder whether their own careers are tied to a leader who just lost standing. Recruitment becomes harder: external candidates sense instability and ask pointed questions in final-round interviews.
The new CEO also inherits a complication. Arriving into an organisation where the most senior internal candidate didn't get the job means navigating the unspoken resentment that comes with it. Done well, an incoming CEO acknowledges this directly in early conversations. Done badly, it festers into a first-year culture problem that's hard to diagnose because no one will name it.
This dynamic connects to a broader pattern in how ASX boards manage leadership transitions. The first 90 days after a CEO change are the most exposed period in any company's governance calendar, and a bypassed COO adds a layer of complexity that external succession plans simply don't account for.
What it reveals about power in the business
A COO bypass is a useful diagnostic. It shows who the board actually trusts, what the company is optimising for in its next chapter, and how seriously succession was taken in the years prior. None of those things are visible in an ASX announcement.
The COO who is passed over rarely lacks ability. They lack positioning. And positioning, in Australian boardrooms, is a function of relationships, visibility, and strategic timing, not just operational results.
Boards that understand this don't just appoint better CEOs. They build stronger pipelines by being honest with talented operators about what the path actually requires, long before the seat is open.