Tim Cook Steps Down as Apple CEO as John Ternus Takes Over

A major chapter in Apple’s corporate history comes to an end today. Tim Cook steps down as Apple CEO on September 1, 2026, after nearly 15 years at the helm of one of the world’s most valuable technology companies.

John Ternus, Apple’s longtime hardware engineering chief, takes over as CEO, while Cook transitions to the role of Executive Chairman.

The leadership change marks one of the biggest transitions Apple has faced since Tim Cook succeeded Steve Jobs in 2011.

John Ternus Becomes Apple’s New CEO

John Ternus is taking over the CEO role after years of leading Apple’s hardware engineering organisation.

He has been closely associated with some of Apple’s most important hardware developments, including the company’s transition to Apple Silicon and its M-series processors.

His engineering background gives Apple a CEO with deep knowledge of the company’s hardware and product development operations.

Tim Cook’s 15 Years at Apple

Cook became Apple’s CEO in August 2011, following Steve Jobs’ resignation.

During his tenure, Apple expanded far beyond the iPhone.

The company grew its presence across:

• Smartphones
• Wearables
• Services
• Personal computers
• Tablets
• Custom silicon
• Subscription services

Apple also became increasingly focused on building its own hardware and software ecosystem.

From Apple Silicon to the Next Era

One of the defining achievements of Apple’s recent hardware strategy has been its move away from Intel processors.

Apple Silicon transformed the Mac lineup, beginning with the M1 chip and expanding into increasingly powerful M-series processors.

Ternus played an important role in Apple’s hardware organisation during this transformation.

His appointment therefore represents some continuity as Apple enters its next phase of product development.

Apple’s AI Challenge

The leadership transition comes at a particularly important time for Apple.

Artificial intelligence has become one of the biggest competitive battlegrounds in technology, with companies such as Google, Microsoft, OpenAI and Meta investing heavily in AI products and infrastructure.

Apple has been integrating AI capabilities into its devices and operating systems while also working to strengthen its broader AI strategy.

Ternus will inherit the challenge of ensuring Apple remains competitive as AI becomes increasingly central to consumer technology.

Ternus’ First Major Product Moment

The September Apple event could become an important early test for the new CEO.

The event is expected to showcase Apple’s latest products, potentially including the next-generation iPhone lineup and a foldable iPhone.

For Ternus, this would represent his first major product launch as Apple’s CEO.

Apple’s product launches have traditionally attracted enormous global attention, making the timing particularly significant.

What Happens to Tim Cook?

Cook is not leaving Apple entirely.

Instead, he is transitioning to the position of Executive Chairman.

That means Cook will remain connected to the company while handing day-to-day leadership responsibilities to Ternus.

The arrangement could provide continuity during the transition while allowing Apple’s new CEO to establish his own leadership approach.

What Ternus Will Need to Deliver

The new CEO faces several major challenges.

Keeping the iPhone Growing

The iPhone remains central to Apple’s business, but the smartphone market is mature. New product categories and form factors could become increasingly important.

Strengthening Apple’s AI Strategy

Apple needs to demonstrate that it can compete effectively in the rapidly developing AI market.

Expanding Services

Services have become an increasingly important part of Apple’s ecosystem and revenue strategy.

Maintaining Apple’s Hardware Advantage

Ternus’ engineering background could be particularly valuable as Apple continues developing custom chips and tightly integrated hardware.

A New Chapter for Apple

The transition from Cook to Ternus is more than a change of CEO.

It represents the beginning of a new phase for Apple.

Cook leaves behind a company that is significantly larger and more diversified than the one he inherited in 2011. Ternus now has the task of guiding that company through a technology landscape increasingly shaped by AI, new computing platforms and changing consumer expectations.

Final Thoughts

Tim Cook steps down as Apple CEO after nearly 15 years of leading Apple through one of the most successful periods in its history.

John Ternus now takes over with a strong hardware background and deep knowledge of Apple’s product development organisation.

His first major product launches could provide an early indication of Apple’s direction under its new leadership.

For Apple fans, investors and the wider technology industry, September 1, 2026, marks the beginning of a new era.

Tim Cook’s Apple is ending. John Ternus’ Apple begins today.