Person
Tim Cook
Lately: Apple as Executive Chairman, from Apple.
Recorded moves, newest first
Tim Cook to Apple as Executive Chairman
Cook shifts from operator to elder statesman, trading daily execution for policy diplomacy and board oversight.
Tim Cook to Apple as Executive Chairman
Closes a 15-year Apple CEO tenure while preserving continuity, a template other boards weighing AI-era leadership change may study.
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.
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.
Capital & Markets
Abel Lifts Apple, Alphabet to 35% of Berkshire
Berkshire's latest SEC filing puts Apple and Alphabet past a third of its stock portfolio, with a new stake in Bending Spoons added this month.