
Researcher · Founder · Executive
TypeSafe AICo-founder and CEO
TypeSafe AIAug 2024-present
OpenAI2020-2024
Google Brain2017-2018Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
InstructGPT uses human feedback to train language models to follow instructions.
Reported GPT-4's capabilities, limitations and safety evaluations as a text-and-image input model.
Coauthorship of InstructGPT and human-feedback training for following instructions.
Credits for datasets, foundational RLHF/InstructGPT work and instruction-following/API evaluations.
Founder-authored September 2026 launch of Jev; structured decisions with probabilities and confidence scores for software automation.
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Reviewed August 8, 2026 · Checked for accuracy and new information.