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Apple CEO Tim Cook to Step Down, Replaced by John Ternus in September
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CNBC4/20/2026Business1 min read

Apple CEO Tim Cook to Step Down, Replaced by John Ternus in September

Cook, who has led Apple for nearly 15 years since succeeding Steve Jobs, will become executive chairman; Ternus currently heads hardware engineering

Quick Look

  • Apple announced Monday that CEO Tim Cook will be replaced by John Ternus, currently senior vice president of hardware engineering, effective September 1.
  • Cook, who has served as CEO for nearly 15 years since Steve Jobs resigned in 2011, will assume the role of executive chairman.
  • The transition drew reactions from tech industry leaders including OpenAI CEO Sam Altman, who called Cook 'a legend,' and Oculus founder Palmer Luckey, who posted 'RIP Tim Apple' referencing the 2019 White House incident with President Trump.

AI-generated summary

Why It Matters

Tim Cook took over as Apple CEO in 2011 after Steve Jobs resigned due to health issues. Under Cook's leadership, Apple became the world's most valuable company, launching the Apple Watch, AirPods, and expanding services. John Ternus has led hardware engineering since 2021 and previously oversaw iPad development.

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Apple announced on Monday that CEO Tim Cook will be replaced by John Ternus. Executives across the tech industry began reacting to the transition shortly after the news broke. Cook has served as the iPhone maker's CEO for nearly 15 years, after late founder Steve Jobs resigned in 2011.

"Tim Cook is a legend," OpenAI CEO Sam Altman posted on X. "I am very thankful for everything he has done and I am very thankful for Apple." Apple and OpenAI first partnered in 2024, integrating ChatGPT into Siri and Apple's writing tools.

Palmer Luckey, founder of Oculus VR, also posted on X, writing "RIP Tim Apple," referring to the famous White House incident with President Donald Trump in 2019. Trump mistakenly addressed Cook as "Tim Apple" during his first term. Cook made light of the remark, replacing his last name with the Apple logo on his Twitter profile. Luckey left Facebook in 2017 and founded defense contractor Anduril later that year.

Ternus, currently a senior vice president of hardware engineering, will become CEO effective Sept. 1. Cook will then assume the role of executive chairman.

What to Watch

AI outlook — possibilities, not facts

  • John Ternus will maintain Apple's current product strategy with focus on hardware-software integration

    Likely · Within months

  • Apple-OpenAI partnership will expand under new leadership

    Possible · Within months

Open Questions

  • What specific strategic direction will Ternus bring?
  • How will Cook's role as executive chairman differ from typical governance?
  • Will the Apple-OpenAI partnership expand under new leadership?

Related Topics

This article was originally published by CNBC.

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