The inside story of how the CEO of the hottest tech company was ousted and, just as quickly, resurrected.

A mystery buyer has bought a 10,200-square-foot mansion on San Francisco’s Billionaires’ Row in a first-time sale for $26.5 ...

Weeks after negotiations for a new office on the San Francisco waterfront unraveled, Sam Altman-backed startup Tools for ...

Sam Altman — the Stanford University dropout turned VC-backed tech billionaire — just can't catch a break. Though the 39-year-old startup tycoon has multi-million dollar mansions in Hawaii ...