Twenty-five years. That is how long John Ternus spent helping build Apple before being elevated to its top leadership role. The transition offers boards an important lesson: successful CEO succession is not a recruitment exercise conducted at the last minute—it is a leadership-development process that can take decades.
Ternus joined Apple in 2001 and steadily progressed through its hardware organisation, eventually leading engineering across many of the company’s major products. Long before becoming the obvious succession candidate, he had accumulated deep knowledge of Apple’s products, people, culture and operating model.
Equally important, Ternus increasingly became a visible face of Apple’s product presentations while Tim Cook remained CEO. In other words, leadership exposure and credibility were being built before a transition was required. The board was not scrambling for a name; the potential successor was already operating at significant scale.
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This is where many boards struggle. They wait until a CEO announces a departure, performance deteriorates or an unexpected crisis forces succession onto the agenda. Only then does the external search begin.
That approach can be expensive. Companies may pay a premium to attract an external executive who still needs months—or years—to understand the organisation, build internal relationships and gain the confidence of employees, customers and investors. A rushed succession can consequently become a major governance and business-continuity risk.
Apple’s example highlights why boards should continuously identify and develop multiple executives capable of operating at the next level. Succession planning should include leadership exposure, expanded responsibilities, board interaction, crisis experience and strategic decision-making, rather than simply maintaining a list of possible candidates.
The question every board should therefore ask is simple: If our CEO had to step down within six months, who inside the organisation is already capable of operating at that level? If the answer takes longer than ten seconds, the succession work probably has not gone far enough. The most expensive succession plans are often the ones that started too late.
