Arantza Pena Popo/Business Insider
- A failed coup at OpenAI saw Sam Altman return as CEO and stronger than ever.
- OpenAI staffers displayed unusual loyalty to Altman after his firing last week.
- Those who know him point to his charisma and communication skills.
A board firing a powerful, apparently successful CEO is rare in Silicon Valley.
That the CEO comes back after just five days is unheard of.