Paul Christiano
Founder, Alignment Research Center; OpenAI Foundation board member · as of 2026-10-04 · source
RLHF pioneer and leading AI-alignment researcher; former head of AI safety at the US AI standards center (CAISI), appointed to the OpenAI Foundation board in September 2026.
Role changes
- 2026-09-09 Joined the OpenAI Foundation board and its Safety and Security Committee; non-voting observer on the OpenAI Group PBC board source
News mentioning Paul Christiano (4)
- Departing OpenAI safety lead David Robinson writes in The Atlantic: 'I Quit OpenAI Because Its Culture Is Broken' ★★★★
On Oct 3, 2026 David Robinson, who led the writing of OpenAI's safety reports for its frontier launches, published an essay in The Atlantic explaining his resignation. He argues that OpenAI's "iterative deployment" (trial and error) "guarantees periodic failures", cites the Hugging Face breach by…
- Paul Christiano joins the OpenAI Foundation board and its Safety and Security Committee ★★★
On Sept 9, 2026 OpenAI appointed Paul Christiano, an RLHF pioneer, founder of the Alignment Research Center and senior advisor at the US government's CAISI, to the OpenAI Foundation board and its Safety and Security Committee (chaired by Zico Kolter). He is also a non-voting observer on the OpenAI…
- AI systems reach gold-medal level at the International Mathematical Olympiad ★★★★★
At IMO 2025, an advanced Gemini Deep Think model (officially graded) and an experimental OpenAI reasoning model (graded by former medalists) each solved 5 of 6 problems for 35/42 points — gold-medal standard — working end-to-end in natural language within the 4.5-hour time limits.
- InstructGPT: RLHF aligns language models to follow instructions ★★★★★
OpenAI fine-tuned GPT-3 with reinforcement learning from human feedback (RLHF); labelers preferred outputs of the 1.3B InstructGPT over the 175B GPT-3, and the method became the recipe for ChatGPT.
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