Who is the Chief Scientist of OpenAI?

Updated Data as of September 2026

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Jakub Pachocki is the Chief Scientist of OpenAI, reporting to Sam Altman. A machine learning researcher, he has led key research efforts at OpenAI including work on large-scale model training and reasoning, and now oversees the company's overall research direction. Jakub is based out of San Francisco, California. Jakub is one of 6 tracked leaders at the company.

Jakub Pachocki profile

JPJakub Pachocki
Jakub Pachocki
Chief Scientist, OpenAI
San Francisco, California

Jakub Pachocki is the Chief Scientist of OpenAI, a role he took on in 2024, succeeding co-founder Ilya Sutskever.

Reports to
Sam Altman
LinkedIn
Profile
Email
••••@openai.com

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Other leaders at OpenAI

LeaderEmailProfile
SASam AltmanSam AltmanChief Executive Officer and Co-Founder ••••@openai.com
GBGreg BrockmanGreg BrockmanPresident ••••@openai.com
SFSarah FriarSarah FriarChief Financial Officer ••••@openai.com
JKJason KwonChief Strategy Officer ••••@openai.com
DRDali RajicChief Revenue Officer ••••@openai.com

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FAQ

Frequently asked questions

Who is Jakub Pachocki?

Jakub Pachocki is the Chief Scientist of OpenAI (as of September 2026). You can see their background and career history above.

What is Jakub Pachocki's background?

Jakub Pachocki is the Chief Scientist of OpenAI, a role he took on in 2024, succeeding co-founder Ilya Sutskever. A machine learning researcher, he has led key research efforts at OpenAI including work on large-scale model training and reasoning, and now oversees the company's overall research direction.

How can I contact Jakub Pachocki at OpenAI?

You can find and verify Jakub Pachocki's professional email and direct phone number with Derrick, from its web app or Google Sheets. OpenAI's addresses generally follow the first@openai.com pattern, but that individual address is not verified here, so confirm it before reaching out.

Who does Jakub Pachocki report to?

Jakub Pachocki reports to Sam Altman. See the full org chart on the OpenAI executives page.