Person
Sarah Friar
Lately: OpenAI as Chief Financial Officer.
Recorded moves, newest first
Sarah Friar to OpenAI as Chief Financial Officer
Signaled OpenAI's finance function was scaling toward the discipline a future public offering would demand.
In the archive
Hiring & Talent
The Biggest AI Hires of 2025
Meta's $14.3 billion Scale AI deal, OpenAI's C-suite rebuild, and Google's Windsurf license turned 2024 and 2025 into a two-year auction for AI's rarest asset: the researchers themselves.
Hiring & Talent
OpenAI's Org Chart in Motion
Fidji Simo's July 2026 exit, Kevin Weil's departure from OpenAI for Science, and Noam Shazeer's arrival from Google trace a company shedding experiments to concentrate on enterprise AI and frontier research.
Compute & Silicon
Nvidia's Quarter-Trillion Guarantee
Nvidia floated a $250 billion backstop for an OpenAI mega data center in Ohio, watched the figure shrink under investor scrutiny, and finalized a $105 billion guarantee that still reshapes the AI infrastructure trade.
Capital & Markets
The AI IPO Window
OpenAI and Anthropic each filed confidential paperwork for an initial public offering in June 2026, a week apart, while Cerebras stalled in registration limbo and Databricks chose a $190 billion private round over a public listing entirely.
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.