Connor Leahy is an AI safety researcher who co-founded EleutherAI and Conjecture and now serves as US Executive Director at ControlAI. Connor Leahy's Twitter Score is 59 out of 1000 (a Good rating) as of August 2026, ranking #14,729 (top 5%) among 483,652 tracked accounts.
Connor Leahy co-founded EleutherAI, a decentralized open-source AI research collective known for developing projects including GPT-J and GPT-NeoX. He also co-founded Conjecture alongside Sid Black and Gabriel Alfour, a safety-focused AI company that grew out of EleutherAI and launched in March 2022. Conjecture disclosed in April 2022 that it had secured VC backing from investors including Nat Friedman, Daniel Gross, Patrick Collison, John Collison, Arthur Breitman, Andrej Karpathy, and Sam Bankman-Fried. In a March 2026 retrospective, Connor Leahy announced that Conjecture's chapter was drawing to a close after four years.
Connor Leahy currently works at ControlAI as US Executive Director, where his focus is on policy responses to risks posed by superintelligent AI. The account has remained active, recently promoting ControlAI's work and open roles. Connor Leahy's account has 29,762 followers as of August 2026 and 4,093 posts, and has been mentioned by 34 accounts a total of 128 times.
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The accounts that follow Connor Leahy include 220 founders, 54 angel investors and 68 influencers, among them Sam Altman, Ansem, Haseeb Qureshi, Andrej Karpathy, Murad and Vance Spencer.