
Ajeya CotraResearcher
METR
Member of Technical Staff
via METR
Researcher · Founder · Executive

Founder and CEO at METR
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.
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METRWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: August 9, 2026