Person
John Ternus
Lately: Apple as Chief Executive Officer, from Apple.
Recorded moves, newest first
John Ternus to Apple as Chief Executive Officer
Apple hands its silicon strategist the keys, betting hardware discipline outpaces flashy model launches.
John Ternus to Apple as Chief Executive Officer
Puts an engineer in charge of Apple's next artificial intelligence chapter, a bet on hardware-software integration over recruiting an outside AI star.
In the archive
Hiring & Talent
The Biggest AI Hires of 2026 (So Far)
Fidji Simo gave up her post as OpenAI's second-in-command to illness, Jeff Dean left Google with three senior colleagues to found a rival, and John Ternus took over at Apple, redrawing AI's leadership in 2026.
Hiring & Talent
Apple's AI Exodus and the Ternus Transition
Ruoming Pang's move to Meta, John Giannandrea's retirement, a licensed Gemini-powered Siri and John Ternus's hardware-engineer path to chief executive trace Apple's patched AI leadership.
Consumer AI
Consumer AI at Scale
ChatGPT crossed 900 million weekly users and started running ads while Apple ceded Siri's rebuild to a rival's model, showing three different theories of who owns the AI relationship once assistants graduate from answering into deciding.
Safety & Security
The Signal Brief: Thursday's Doomers, Dollars, and Debuts
Paul Christiano's arrival on OpenAI's safety board, Harvey's climb past fifteen billion dollars, and John Ternus's first keynote as Apple's chief executive show governance and capital sprinting to match each other's pace this week.
Consumer AI
The Signal Brief: Saturday's Swarms, Successions, and Scrutiny
A hardware engineer's debut keynote as Apple's chief executive, a lone attacker's AI-agent swarm breaching 395 organizations in a day, and Washington's scrutiny of Nvidia's Groq deal show trust becoming the industry's scarcest currency.
Consumer AI
Apple's Engineer-in-Chief Makes His Case
John Ternus staked his first keynote as Apple's chief executive on a foldable iPhone and a doubled Neural Engine, betting that hardware built around intelligence answers the question his board asked him to solve.
Consumer AI
Apple Ships Its Gemini Siri, Then Waitlists It
Apple's promised Siri arrived 826 days late, in English only, gated by a waitlist, while the EU and China wait longer still.