Nathan Lambert -- Character Training

This stream works on character training for language models, and on research to understand the open model ecosystem, including policy-facing work.

Stream overview

Character training work + research to understand the open model ecosystem (e.g. policy facing)

Mentors

Nathan Lambert
Stealth Post-training Non-profit
,
Executive Director
Boston
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Nathan Lambert works at a stealth post-training nonprofit. Lambert was previously the post-training lead at the Allen Institute for AI.

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Streams

The Winter 2027 cohort offers a wide range of research streams led by experts across AI alignment, interpretability, governance, and safety. Each stream provides its own research agenda, methodology, and mentorship focus.