
Daniel M. ZieglerResearcher
Anthropic
Member of Technical Staff
via Anthropic
Researcher · Engineer

Member of Technical Staff at Anthropic
Longpre studies the data behind AI systems and how those systems affect the public. He founded the Data Provenance Initiative, which audits licensing, attribution, consent, and transparency in training data, and has advocated legal protections for independent AI evaluation.
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AppleWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: August 8, 2026