Who is the Chief Scientist of OpenAI?

Jakub Pachocki is the Chief Scientist of OpenAI, as of July 2026. Jakub reports to Sam Altman.

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. 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.

Reports toSam Altman
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Contactβ€’β€’β€’β€’@openai.com (reveal in Sheets with Derrick)

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FAQ

Who is Jakub Pachocki?
Jakub Pachocki is the Chief Scientist of OpenAI (as of July 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, straight from 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.