Greg Brockman
Greg Brockman is the President and Co-founder of OpenAI, the AI research and deployment company behind ChatGPT, GPT-4, and a suite of generative AI models that have fundamentally disrupted how industries — including advertising and media — approach content creation, audience targeting, and automation. As a public face of OpenAI's major model launches, Brockman has been instrumental in communicating the company's technical breakthroughs and safety commitments to the broader world, helping position OpenAI as the defining force in the modern AI landscape. Before co-founding OpenAI in 2015, Brockman served as CTO of Stripe, where he played a foundational role in building one of the world's most influential fintech infrastructure companies. His background spans deep technical engineering and organizational leadership, giving him a rare ability to bridge cutting-edge research and real-world product deployment. At OpenAI, he has been central to the company's growth from a nonprofit research lab into a capped-profit enterprise valued in the hundreds of billions. While Brockman is not a traditional AdTech figure, his work at OpenAI has profound implications for the advertising technology ecosystem. Generative AI models developed under his leadership are being integrated into ad creative generation, audience intelligence, programmatic optimization, and conversational commerce — making him one of the most consequential indirect influencers on the future of AdTech.
Last updated Sep 26, 2026 by ATDb automated enrichment
- Years in industry
- 15 years
Bio
Greg Brockman is the President and Co-founder of OpenAI, the AI research and deployment company behind ChatGPT, GPT-4, and a suite of generative AI models that have fundamentally disrupted how industries — including advertising and media — approach content creation, audience targeting, and automation. As a public face of OpenAI's major model launches, Brockman has been instrumental in communicating the company's technical breakthroughs and safety commitments to the broader world, helping position OpenAI as the defining force in the modern AI landscape. Before co-founding OpenAI in 2015, Brockman served as CTO of Stripe, where he played a foundational role in building one of the world's most influential fintech infrastructure companies. His background spans deep technical engineering and organizational leadership, giving him a rare ability to bridge cutting-edge research and real-world product deployment. At OpenAI, he has been central to the company's growth from a nonprofit research lab into a capped-profit enterprise valued in the hundreds of billions. While Brockman is not a traditional AdTech figure, his work at OpenAI has profound implications for the advertising technology ecosystem. Generative AI models developed under his leadership are being integrated into ad creative generation, audience intelligence, programmatic optimization, and conversational commerce — making him one of the most consequential indirect influencers on the future of AdTech.
Career
CTO
Stripe · 2010-2015
Co-founder & CTO
OpenAI · 2015-2024
Expertise & education
Expertise
Education
- Attended Harvard University (did not complete degree)
Speaking topics
Recognition
Notable achievements
- Co-founded OpenAI in 2015 alongside Sam Altman, Elon Musk, and others, helping grow it into the world's leading AI company
- Served as a key public spokesperson for landmark AI model launches including GPT-3, GPT-4, and ChatGPT
- Played a foundational engineering and leadership role at Stripe, helping build its global payments infrastructure
- Helped navigate OpenAI's transition from a nonprofit to a capped-profit structure while maintaining its safety mission
Publications
- OpenAI technical blog posts and model release announcements (GPT-4, ChatGPT, etc.)