Greg Brockman
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Executive
OpenAI co-founder and president — the engineer of its scaling machine.
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Brockman, formerly Stripe's CTO, co-founded OpenAI and built much of its training-infrastructure culture; he resigned in solidarity during the 2023 board crisis and returned with Altman. He remains the company's most technical senior voice on compute build-out.
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Record reviewed as of 2026-01-15 — see Methodology.