Ajeya CotraMember of Technical Staff · METRResearcher↗
Researcher · Founder · Executive
METRFounder and CEO
Barnes founded METR to independently test whether frontier AI systems can carry out long, difficult tasks and accelerate AI research. Its time-horizon measurements have become a widely watched empirical signal of progress in autonomous capabilities.
Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.
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Reviewed August 9, 2026 · Checked for accuracy and new information.