Post-Cutoff
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Researcher

Aleksander Madry

Safety and security work with chief scientist Jakub Pachocki, OpenAI (returned Oct 2026); MIT faculty (on leave), as of 19 October 2026. Source: x.com

MIT professor and former head of OpenAI’s Preparedness team; returned to OpenAI in October 2026 to work on safety and security of increasingly capable AI.

Role changes

  1. Announced return to OpenAI to join Jakub Pachocki on safety and security, after leaving a few months earlier x.com

In the news

1 event on Post-Cutoff name Aleksander Madry, newest first.

  1. Policy & safety 111 days after the cutoff

    Aleksander Madry returns to OpenAI for safety

Posts

1 archived post by or about Aleksander Madry, newest first.

  1. Aleksander Madry@aleks_madryX

    “Personal update: Turns out that what I thought was leaving OpenAI became more of a…”

    Cited in Aleksander Madry returns to OpenAI for safety, Aleksander Madry

Bio

MIT computer scientist. Led OpenAI’s Preparedness team until July 2024. X handle verified via fxtwitter (bio: “OpenAI and MIT faculty (on leave)”).