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David Wadden

Research scientist at Google DeepMind on Gemini post-training; former Ai2 researcher on OLMo and Tülu

David Wadden is a research scientist at Google DeepMind, working on post-training for Gemini. Before that, Wadden was a research scientist on the AllenNLP and Semantic Scholar teams at Ai2. Wadden co-authored the Tülu 2 paper on adapting open language models, is credited with base-model development in the OLMo 2 paper, which lists Wadden with an Ai2 affiliation, and ran DCLM evaluations for OLMoE. Wadden's earlier research includes SciFact and MultiVerS, work on verifying scientific claims.1234

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Sources · reviewed Oct 13, 2026

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