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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Mentorship style

Fellows we are looking for

Project selection

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.

London
Empirical
SF Bay Area
London
Control, Monitoring, Red-Teaming, Scalable Oversight, Scheming & Deception
SF Bay Area
Agent Foundations
SF Bay Area
Interpretability
SF Bay Area
Interpretability, Monitoring, Dangerous Capability Evals
SF Bay Area
Interpretability, Model Organisms, Red-Teaming, Safeguards, Scheming & Deception
SF Bay Area
Interpretability
Grand Rapids
Agent Foundations
Washington, D.C.
Compute Infrastructure, Policy & Governance, Security
London
Dangerous Capability Evals, Compute Infrastructure, Policy & Governance, Strategy & Forecasting
Washington, D.C.
Compute Infrastructure, Security
London
Control, Monitoring
London
Control, Scheming & Deception, Dangerous Capability Evals, Model Organisms, Monitoring