26% of CEOs think the greatest threat to their job security is their own CFO

Good morning. CEOs depend on their CFOs more than ever. And fear them more than ever, too.

Under mounting pressure from nearly every direction, many chief executives now view their closest strategic partner as a potential threat to their job security.

That’s one of the key findings of the inaugural BCG CEO Insomnia Index, based on a survey of roughly 500 chief executives at companies with revenues ranging from $100 million to more than $5 billion. It offers a window into how CEOs assess their stress levels—and what’s keeping them up at night.

More than a quarter of CEOs surveyed said their chief financial officer poses the greatest threat to their job security, ahead of every other C-suite role, followed by the COO. But the risk isn’t necessarily all about competition; it’s also about misalignment.

If the CFO gets it wrong, the CEO pays the price, according to Jody Foldesy, global chief operating officer of corporate finance and strategy at Boston Consulting Group (BCG). Foldesy views the dynamic less as rivalry and more as interdependence. CEOs are relying more heavily on CFOs for decision support, making it critical that finance chiefs are deeply integrated into strategy and execution. “It is critical that the CFO be deeply integrated into the development of their agenda and provide the right facts, data, and advice,” he told me.

That shift reflects how the CFO role itself is evolving. “CFOs are less backward-looking bookkeepers and much more forward-looking—developing and analyzing scenarios, providing decision support and business advisory,” Foldesy said. While many still come from accounting backgrounds, more are rotating in from FP&A or business roles.

As AI spending becomes a larger line item, CEOs are also looking to CFOs to lead implementation and ensure returns. “For every company’s ledger, this is becoming an increasingly large portion of spend—and if you look into the future, it’s only going to grow,” he said.

But at the same time, the CFO’s regular interaction with the board, on financial performance, forecasts, and risk, can build........

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