Ben MannCo-founder and Member of Technical Staff · AnthropicResearcher↗Both at Anthropic

Founder · Researcher
AnthropicMember of Technical Staff
Hayes co-founded Humanloop and led its technology, helping teams turn language-model prototypes into applications they could test and improve.[1] Its platform combined prompt management, automated evaluations and human feedback.[2] He joined Anthropic with the team as Humanloop wound down its platform.[3]
Hayes co-founded Humanloop and led its technology, helping teams turn language-model prototypes into applications they could test and improve.
Its platform combined prompt management, automated evaluations and human feedback.
He joined Anthropic with the team as Humanloop wound down its platform.
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Reviewed July 19, 2026 · Checked for accuracy and new information.