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Founder · Executive · Engineer

Jason Warner

JW

Co-founder and Co-CEO at poolside

Warner has shaped both the infrastructure of modern software teams and the push toward AI that writes code. After scaling GitHub as CTO, he co-founded poolside to train foundation models on software development, using code execution as feedback for improving reasoning and reliability.

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Background

Current role
Co-founder and Co-CEO 2023-present
Previously
2017-2021Chief Technology Officer,
About this data

Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.

Last editorial review: August 10, 2026