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-aleks_madry-2112231448103239998/ # “Personal update: Turns out that what I thought was leaving OpenAI became more of a…” Aleksander Madry (@aleks_madry), X, 2026-10-19. Source: https://x.com/aleks_madry/status/2112231448103239998 ## Archived text > 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: 1,053,671 views, 3,135 likes, 108 reposts, 130 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/) - Person: [Aleksander Madry](https://postcutoff.com/person/aleksander-madry/)