Aaron DefazioMember of Technical Staff · OpenAIResearcher↗
Researcher
OpenAIMember of Technical Staff
🇫🇷🇺🇸 French-AmericanBorn 1985
OpenAI2024-present
Microsoft2014-2024
Princeton University2011-2014Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
At Microsoft he led the “Sparks of AGI” study
and Phi small-model project;
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Reviewed August 9, 2026 · Checked for accuracy and new information.