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Gabor Cselle , the former chief operating officer and co - founder ofPebble(a competitor to X ) , has joined OpenAI to work on a secret labor .
Cselle has been employed at OpenAI since October , accordingto LinkedIn , but he announced the news in a military post on ten only yesterday . “ Will share more about what I ’m working on in due time , ” hewrote . “ find out a lot already . ”
Cselle is a repeat founding father who sold his first company , aY Combinator - backed peregrine electronic mail inauguration call reMail , to Google . His second company , native advertising startup Namo Media , sold to Twitter before Elon Musk purchased the societal connection and rebranded it to X.
Nearly a decade ago , Cselle worked at Twitter as a mathematical group product manager , focusing on the home timeline , user on - boarding , and logged - out experiences . He leave Twitter in 2016 for Google , where he was theater director at the tech giant ’s Area 120 brooder for spinoffs .
Cselle set out sour on Pebble , earlier calledT2 , in 2022 with Michael Greer , Discord ’s ex - engineering head . Pebble , which emphasized safety and mitigation , enjoy a little but occupied community andraisedfunding from angel investor , let in Android atomic number 27 - beginner Rich Miner .
However , Pebble struggled to hold meaningful growing . The companyshut downlast October but reemerged as a Mastodoninstancein November .
This May , Cselle joined the throttle South Park Commons , where he work on a scope of procreative AI prototypes , including anhomageto the viralHQ Trivia .
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Csell ’s hiring reveal comes on the same weekend as OpenAI rival Anthropic gains its own high - visibility recruit : Embark laminitis Alex Rodrigues .
Rodrigues , who head self-governing trucking firm Embark through aSPAC mergerin 2021 ( and subsequentfire saleto Applied Intuition in 2023),saidon Friday that he ’d be link up Anthropic as an AI safety research worker .
