Ali Farhadi steps down as Ai2 CEO
In March 2026 Ali Farhadi stepped down as CEO of the Allen Institute for AI after about two and a half years in the role, and founding member Peter Clark returned as interim chief executive.
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Yann LeCun leaves Meta to found an AI startup
On 19 November 2025 Yann LeCun confirmed that he would leave Meta after ten years to found an AI startup focused on advanced machine intelligence. Meta was to be a partner of the new company.
OpenAI dissolves the Superalignment team after Sutskever and Leike exit
In May 2024 OpenAI's chief scientist Ilya Sutskever left the company, followed days later by Superalignment co-leader Jan Leike; OpenAI then disbanded the team, and Leike publicly said safety had "taken a backseat to shiny products".
Emad Mostaque resigns as Stability AI CEO
On 23 March 2024, Emad Mostaque stepped down as CEO and board director of Stability AI; the company named interim co-CEOs and began searching for a permanent leader.
OpenAI's board fires Sam Altman, who returns days later
In November 2023 OpenAI's board removed CEO Sam Altman, citing a lack of candour; after an employee revolt and a Microsoft offer, he was reinstated within days under a new board.