Apple's Ternus era begins this week now that John Ternus has officially taken over as chief executive, succeeding Tim Cook after roughly 15 years at the helm. Cook stepped down as CEO on September 1, 2026, and will stay on as Executive Chairman, while Ternus, previously Apple's senior vice president of hardware engineering, inherits a company barreling toward a major iPhone event just a week into his tenure.

The leadership change was the centerpiece of TechCrunch's Equity podcast on September 4, 2026, where hosts Kirsten Korosec and Sean O'Kane also dug into a parallel story: Nvidia's expanding push to control more of the AI stack than just chips, through a Hugging Face acquisition and a MediaTek investment. Both threads point to the same underlying question for the AI hardware industry heading into the fall: who controls the stack, and who just supplies pieces of it.

Who Is Apple's New CEO?

John Ternus became Apple's chief executive on September 1, 2026, after the company announced in April that Tim Cook would step down at the end of August. Ternus joined Apple in 2001, was promoted to vice president of hardware engineering in 2013, and became senior vice president of hardware engineering in 2021, where he oversaw the teams behind the iPhone, iPad, Mac, Apple Watch, AirPods, and Apple Vision Pro.

In a statement announcing the move, Ternus said he was "profoundly grateful for this opportunity to carry Apple's mission forward," according to Apple's official announcement reported by ABC News. Cook, in turn, framed the handoff as a vote of confidence in Ternus's engineering background rather than a break from his own approach.

Cook's own farewell was brief. In a post marking his last day in the role, he wrote that he was "sending lots of love to the Apple community on my last day as CEO," as reported by GSMArena. Cook joined Apple in 1998 and became CEO in 2011 after Steve Jobs stepped down for health reasons; under his tenure, Apple's market capitalization moved from roughly $300 billion past $4 trillion, briefly overtaking Nvidia as the world's most valuable public company in July 2026, according to Fox Business.

What Tim Cook's Exit Means for Apple's Policy Playbook

Cook isn't leaving Apple. As Executive Chairman, he's expected to keep managing the relationships that have increasingly shaped Apple's business outside the product line — including ties to the Trump administration and the Chinese government, a focus Bloomberg reiterated in reporting cited by 9to5Mac. TechCrunch's Equity podcast pointed to a recent, smaller example of that policy balancing act: a dispute over a map label that pushed MapQuest's app to the top of the App Store's navigation category after it declined to rename Lake Ontario.

That leaves Ternus to run product and operations at a moment when Apple is racing to ship its next iPhone lineup. His first internal memo as CEO reportedly promised a "huge launch next week," and outlets including NBC Bay Area and 9to5Mac report Apple's next hardware event is expected around September 9, 2026, with a first foldable iPhone reportedly on the agenda. Because that timing was set well before Ternus took over, he'll be presenting hardware he didn't necessarily plan, a point Equity's hosts flagged as an early test of what a Ternus-led Apple actually looks like.

Industry analysts are already framing the transition as a shift from Cook's operational strengths toward a more product-driven style. "The next question really is, what's Ternus gonna do?" Tim Bajarin, founder of Creative Strategies, told NBC Bay Area, adding that Ternus's product background gives him hope for new hardware directions. That's a fair open question — Ternus has spent his career building hardware, not managing the geopolitical and regulatory relationships Cook is staying on to handle, and Apple hasn't detailed how the CEO and Executive Chairman roles will divide day-to-day decisions.

Nvidia's Bet on Owning the Whole AI Stack

The other half of Equity's episode dealt with Nvidia, whose recent moves the hosts said look less like a chipmaker's roadmap and more like an attempt to own the entire AI stack. TechCrunch reported on September 3, 2026, that Nvidia confirmed it will acquire Hugging Face, the widely used open-source AI model repository, in a deal reported at $12.9 billion — as BriefFlash covered when the acquisition was still being reported.

That follows an August 31, 2026 disclosure that Nvidia is investing $3.5 billion in MediaTek's convertible bond offering, a move BriefFlash detailed as part of Nvidia's custom AI chip strategy, tying MediaTek's chip ambitions to Nvidia's own interconnect technology. TechCrunch also noted Amazon tripled its order of Nvidia chips over surging demand in a report published August 26, 2026. Taken together, the moves span chip supply, custom silicon partnerships, and now open-source AI infrastructure — a broader footprint than Nvidia's traditional GPU business.

The AI hardware buildout isn't confined to Nvidia. Andreessen Horowitz closed a $1.1 billion "Machine Age" fund on August 28, 2026, aimed at accelerating physical AI hardware, and TechCrunch flagged GoPro's $285 million acquisition — while remaining a public company — as a smaller signal of consolidation among original consumer hardware names, announced September 1, 2026.

A Chaotic Week for Robotaxis

Equity's hosts also covered a busy week in autonomous vehicles that overlapped with Apple's leadership shift. Tesla held its Cybercab event on September 3, 2026, which TechCrunch's Sean O'Kane described as a turning point for the robotaxi program. The same week, Waymo expanded service into Denver, San Diego, and Tampa, and Amazon's Zoox began its first paid rides to the Las Vegas airport — putting three well-funded robotaxi operators into more direct competition than they've faced before, according to TechCrunch's reporting.

None of this is directly tied to Apple's CEO transition, but it underscores the backdrop Ternus is inheriting: a moment when nearly every major hardware and infrastructure player in tech is repositioning around AI and autonomy at the same time.

What Happens Next

The immediate test for Ternus is Apple's expected September 9 event, where he — rather than Cook — is likely to take the stage for the first time as CEO. Beyond that, Apple hasn't detailed how Cook's continued involvement as Executive Chairman will interact with Ternus's authority on product and business decisions, and the company has not laid out specific AI product plans to counter Nvidia's expanding footprint or rival efforts from Google, Microsoft, and OpenAI. Apple's own legal fight with OpenAI is a reminder those rivalries run deeper than product competition: the company recently shared evidence in a trade secrets case against a former engineer accused of aiding OpenAI.

For now, what's confirmed is narrower than the framing on social media suggests: Cook has stepped back from the CEO role but remains at Apple, Ternus is now formally in charge of the company day to day, and next week's hardware event will be the first real signal of what changes under him.

Key Takeaways

  • Tim Cook stepped down as Apple CEO on September 1, 2026, after 15 years, and became Executive Chairman.
  • John Ternus, Apple's former senior vice president of hardware engineering since 2021, is now CEO.
  • Apple is expected to hold a major hardware event around September 9, 2026, reportedly including a first foldable iPhone.
  • Nvidia confirmed a reported $12.9 billion Hugging Face acquisition and a $3.5 billion MediaTek investment, moves analysts read as an attempt to control more of the AI stack beyond chips.

FAQ

Who is Apple's new CEO?

John Ternus became Apple's CEO on September 1, 2026, succeeding Tim Cook. Ternus previously served as Apple's senior vice president of hardware engineering, overseeing teams behind the iPhone, iPad, Mac, Apple Watch, AirPods, and Apple Vision Pro.

When did John Ternus join Apple?

Ternus joined Apple in 2001. He was promoted to vice president of hardware engineering in 2013 and became senior vice president of hardware engineering in 2021, according to Apple's official bio and ABC News reporting.

Is Tim Cook still involved with Apple?

Yes. Cook stepped down as CEO but remains with Apple as Executive Chairman of the board, a role reported to focus on policy relationships, including with the Trump administration and the Chinese government.

What is Nvidia acquiring as part of its AI stack strategy?

TechCrunch reported on September 3, 2026 that Nvidia confirmed a deal to acquire Hugging Face, reported at $12.9 billion, following an earlier $3.5 billion investment in MediaTek's convertible bond offering announced August 31, 2026.