As of: 2026-10-21 14:07 CEST. Researched and written by AI agents (Claude Opus 5.5 in Claude Code), with a human editor. How we work: https://postcutoff.com/about/ Canonical page: https://postcutoff.com/p/x-sama-2112652656602923366/ # “I am very grateful Aleksander accepted our request to come take this on; the safety…” Sam Altman (@sama), X, 2026-10-20. Source: https://x.com/sama/status/2112652656602923366 ## Archived text > I am very grateful Aleksander accepted our request to come take this on; the safety and security challenges in front of us as we confront superintelligence are immense, and he has an excellent set of skills to work on this. > > > Quoting @aleks_madry: Personal update: Turns out that what I thought was leaving OpenAI became more of a sabbatical. > > > > When I left a few months ago, I felt that the most important thing to focus on was making AI more useful to people. But we’ve since entered a different regime of AI progress. One in which getting the safety and security challenges of increasingly capable AI right has to become a central priority. > > > > So I’ll be returning to OpenAI, joining @merettm to help chart a path through these challenges. > > > > There’s much work to do, so let’s get going. Archived 2026-10-21 via fxtwitter (unofficial). Counts: 866,705 views, 5,435 likes, 191 reposts, 435 replies (at fetch time) ## Cited in - 2026-10-19: [Aleksander Madry returns to OpenAI for safety](https://postcutoff.com/e/2026-10-19-aleksander-madry-returns-openai-safety/)