Katherine AdamsSteve JobsJennifer NewsteadJohn TernusLuca MaestriTim CookPhil SchillerNVIDIA CorporationGoogle LLCAmazon.com, Inc.Apple Inc.Tesla, Inc.

John Ternus takes over as Apple CEO, with a mandate to fix Siri; Tim Cook moves to executive chairman as Apple faces AI and component shortages

John Ternus officially became Apple CEO, succeeding Tim Cook, who transitions to executive chairman. Ternus faces challenges including AI competition, component shortages, and the need to revitalize Siri, as Apple navigates a complex economic landscape and prepares for its first hardware event under his leadership.

Yahoo Finance Yahoo Finance+1 source1 September 2026 · 13:32 UTC
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John Ternus officially took over as Apple CEO, marking a significant leadership change as Tim Cook transitions to executive chairman. Ternus inherits a company facing multiple challenges, including AI competition and component shortages.123

Ternus's mandate includes revitalizing Siri, which has struggled to meet expectations. As noted, *"Siri hasn't been as successful as I think many people had hoped."*

Apple reported a Q3 FY2026 revenue of $109.4 billion, up 16.36% year over year, with the iPhone contributing $54.3 billion, a 22% increase. However, analysts argue that Apple has underperformed compared to competitors like Google and Tesla during the recent AI boom.4

Ternus's leadership comes at a time when Apple is also dealing with a political and economic landscape that is increasingly complex. He will lead without many of the executives who worked closely with Cook and Steve Jobs, including Phil Schiller, who has transitioned to an Apple Fellow role.

As Ternus embarks on this new chapter, the first Apple hardware event under his leadership is anticipated, where new iPhones, including a foldable model, are expected to be unveiled.

Tim Cook's departure letter emphasized the importance of culture at Apple, stating, *"This place is proof that culture triumphs over everything."*

Key Insight
“Apple's Q3 revenue hit $109.4 billion, up 16.36% year over year, with iPhone contributing $54.3 billion. Newman noted Apple underperformed peers in the AI boom, with headsets flopping and car efforts failing, while R&D spending rose to $11.7 billion.”
John Ternus - The NEW Apple CEO is here!
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John Ternus - The NEW Apple CEO is here!
What challenges lie ahead for new Apple CEO John Ternus?
CuriousCats Shorts-list
What challenges lie ahead for new Apple CEO John Ternus?
CuriousCats studied:
1
Yahoo FinanceYahoo Finance
“Newman told CNBC, *"Tim accomplished a lot in his time. It's very hard to look at 2,200%+, becoming the world's most valuable company by market cap."*”
Yahoo Finance →
2
The Verge
“For the first time since 2011, one of the world’s most valuable companies has a new leader, as today marks John Ternus’ first day as Apple’s CEO.”
The Verge →
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