John Ternus Becomes Apple CEO as Company Enters Foldable Market

John Ternus officially assumed the role of Apple CEO on September 1, 2026, succeeding Tim Cook in the company’s most significant leadership transition since 2011 [1, 2]. The handover marks a pivot for the $4.67 trillion company, moving from the operational discipline that defined Cook’s 15-year tenure toward an engineering-led strategy focused on AI and new hardware form factors [1, 2].

A shift in leadership focus

Tim Cook’s tenure transformed Apple from a $350 billion company into a global powerhouse with a market capitalization of approximately $4.67 trillion as of August 28, 2026 [1]. Cook’s legacy is defined by massive scaling, including the creation of a Services business that generated $109.16 billion in FY2025—a figure exceeding the total revenue of the entire company in 2011 [1]. While Cook’s background in supply chain management allowed Apple to navigate complex manufacturing shifts, including the expansion of production in India, the board’s selection of Ternus signals a change in priorities [1].

Ternus, a 25-year Apple veteran, previously led Hardware Engineering and was responsible for the transition of the Mac lineup from Intel processors to custom Apple Silicon [2]. His appointment comes as Apple faces pressure to prove it can innovate beyond the standard smartphone form factor [2]. Industry analysts note that while Cook successfully monetized an installed base of over 2.5 billion active devices, Ternus is tasked with steering the company through an increasingly crowded AI hardware landscape [1, 2].

Entering the foldable market

The first major test of the Ternus era arrives with the debut of the iPhone Ultra, Apple’s first entry into the foldable phone market [2]. The device, which features a book-style design, is intended to challenge competitors like the Samsung Galaxy Z Fold series [2]. This launch coincides with a broader push into AI, including a partnership with Google to enhance Siri’s capabilities [2].

Ternus is expected to debut his leadership at the September 9, 2026, keynote, where the company will reveal new products and clarify its long-term AI roadmap [2]. The transition leaves Cook in the role of executive chairman, where he will remain involved in selected areas of the business [1].

What to watch

• September 9, 2026 Keynote: The first public presentation led by John Ternus as CEO, expected to feature the iPhone Ultra and updates to Siri AI [2].
• AI Integration: The effectiveness of the Google partnership in maintaining Apple’s competitive momentum in the AI sector [2].
• Manufacturing Diversification: Continued progress in shifting production capacity to India, a key component of the supply chain strategy established during the Cook era [1].

The central question for Apple is no longer whether it can survive without its founder, but whether it can successfully reinvent its core hardware identity under new leadership. Ternus must now demonstrate that his engineering-focused background can produce the same level of growth that Cook achieved through operational expansion.