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.

SF Bay Area
Security, Dangerous Capability Evals
SF Bay Area
Dangerous Capability Evals
Boston
Adversarial Robustness, Policy & Governance, Red-Teaming, Safeguards
New York City
Control, Scalable Oversight, Red-Teaming, Model Organisms, Monitoring
SF Bay Area
Policy & Governance
SF Bay Area
Control, Monitoring, Dangerous Capability Evals
SF Bay Area
Security, Compute Infrastructure
London
Interpretability
London
Scheming & Deception, Dangerous Capability Evals, Control, Red-Teaming
SF Bay Area
Dangerous Capability Evals, Red-Teaming, Model Organisms, Control, Monitoring
Toronto
Interpretability
London
Control, Monitoring, Safeguards, Dangerous Capability Evals, Scheming & Deception
Chicago
Biorisk, Security, Safeguards
SF Bay Area
Interpretability, Agent Foundations
London
Empirical
Interpretability
London
Interpretability, Red-Teaming, Monitoring
London
Monitoring, Adversarial Robustness, Control, Model Organisms, Red-Teaming, Dangerous Capability Evals, Safeguards
New York City
Dangerous Capability Evals, Control, Strategy & Forecasting, Policy & Governance, Scalable Oversight, Agent Foundations
SF Bay Area
Empirical
Theory
Dangerous Capability Evals, Adversarial Robustness, Security, Red-Teaming, Scalable Oversight
London
Control, Scheming & Deception, Dangerous Capability Evals, Monitoring