# John Ternus, Apple's 50-year-old hardware engineering boss, will officially become Apple’s next CEO on September 1.

*business · news · 2026-04-21 · Fortune*

## Key points

- John Ternus will become Apple CEO on September 1, replacing Tim Cook.
- Amazon announced plans to invest up to $25 billion more in Anthropic beyond previous investments.
- Anthropic will commit over $100 billion to AWS over the next 10 years.
- Jeff Bezos co-leads AI startup Project Prometheus, now raising $10 billion at a $38 billion valuation.
- Project Prometheus employs researchers from OpenAI, Google DeepMind, and Meta, despite vague public details.

**Companies:** Apple, Amazon, Anthropic, Project Prometheus
**Countries:** United States

[Read the full story on Fortune](https://fortune.com/2026/04/21/john-ternus-becomes-apple-ceo/)

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