Person
Greg Brockman
Greg Brockman is a co-founder of OpenAI. He led early projects such as OpenAI Gym and OpenAI Five, later became president, and took over the product organisation in April 2026.
Born 1987
AffiliationsOpenAI
Overview
Greg Brockman is one of the co-founders of OpenAI. He was born on 29 November 1987 in Thompson, North Dakota.[1]
Education and early research
Brockman enrolled at Harvard in 2008 and left a year later. He briefly attended MIT before dropping out in 2010 to join Stripe, the payments company.[1]
Main contributions
Brockman became Stripe's first chief technology officer (CTO) in 2013, when the company grew from 5 to 205 employees. He left in May 2015.[1]
He co-founded OpenAI in December 2015 with Sam Altman, Ilya Sutskever and others. He led projects including OpenAI Gym and OpenAI Five, and later became the company's president.[1]
He is a co-author of the Whisper speech-recognition paper, published in December 2022.[3] Whisper is a system trained on a large amount of weakly supervised audio to transcribe speech.
Positions and roles
In April 2026 Brockman took over OpenAI's product organisation. In 2026 he also took on day-to-day operations roles.[1][5]
In August 2024 he took a sabbatical that lasted until November 2024.[1]
On 17 November 2023 Brockman was removed as chairman of the board when Altman was fired, and he quit. Microsoft announced that he would join Altman in a new AI team. He returned to OpenAI when Altman was reinstated.[1][2]
Influence
On 18 May 2026 a jury ruled for Altman, Brockman and OpenAI in Elon Musk's lawsuit, finding the claims time-barred.[1]
At the launch of GPT-6 Astra in September 2026 Brockman called the model “qualitatively improved.” He suggested it could eventually be seen as the arrival of AGI.[4]
Career timeline
3-
2015
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OpenAI
Founded、Worked at 2015–
OpenAI is a San Francisco AI research and deployment company founded in 2015 as a nonprofit. It makes the GPT model family and ChatGPT and filed confidentially for an IPO in June 2026.
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OpenAI
Founded、Worked at 2015–
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2018
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OpenAI Five
Contributed to
OpenAI Five was a team of five reinforcement-learning bots that played the video game Dota 2; in April 2019 it beat OG, the reigning world champions, in a best-of-three series.
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OpenAI Five
Contributed to
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2022
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Whisper
Contributed to
Whisper is OpenAI's open-source speech recognition system, released in September 2022 and trained on 680,000 hours of audio, which transcribes speech in many languages and translates it into English.
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Whisper
Contributed to
Worked at1
Founded1
20262
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ReleaseOpenAI releases GPT-6 Astra
On 3 September 2026 OpenAI began rolling out GPT-6 Astra, first to its Daybreak cybersecurity program and then to ChatGPT paid plans, the API and AWS, after pausing some research following the July breach.
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MilestoneJury rejects Elon Musk's lawsuit against OpenAI
A jury in Oakland ruled for OpenAI, Sam Altman, Greg Brockman and Microsoft on 18 May 2026, finding that Elon Musk's claims were filed too late under the three-year statute of limitations. Musk says he will appeal.
20231
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DepartureOpenAI'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.
20151
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MilestoneOpenAI is founded as a nonprofit AI research lab
In December 2015 a group of entrepreneurs and AI researchers founded OpenAI in San Francisco as a non-profit research company whose stated aim was to advance digital intelligence for humanity's benefit rather than financial return.
Contributed to2
Notes and sources
- Greg Brockmanhttps://en.wikipedia.org/wiki/Greg_Brockman
- Removal of Sam Altman from OpenAIhttps://en.wikipedia.org/wiki/Removal_of_Sam_Altman_from_OpenAI
- Robust Speech Recognition via Large-Scale Weak Supervisionhttps://arxiv.org/abs/2212.04356
- OpenAI begins rolling out GPT-6 Astrahttps://www.cnbc.com/2026/09/03/open-ai-astra-gpt-6-cyber.html
- OpenAIhttps://en.wikipedia.org/wiki/OpenAI
Cite this page: Greg Brockman. TellWorld, https://www.tellworld.net/people/greg-brockman. Updated 2026-11-08