Nora BelroseHead of Interpretability · EleutherAIResearcher↗Both at EleutherAI

Researcher · Executive
EleutherAIExecutive Director
Biderman is a lead contributor to open-source models including GPT-NeoX, BLOOM, and the Pythia suite for studying training dynamics and interpretability. She is executive director of EleutherAI, the grassroots collective turned non-profit research institute.
EleutherAIJan 2023-presentWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
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Reviewed August 18, 2026 · Checked for accuracy and new information.