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Extinction riskFrontier labScalable oversight lead, Anthropic2 entries on the record

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Samuel Marks

Anthropic’s scalable oversight lead who, replying to a colleague’s resignation in September 2026, wrote that AI developers believe their technology could cause human extinction and that many of their staff desperately want to slow down.

Roles

  1. Sept 2026presentScalable oversight lead, AnthropicStart date not sourced; the role is attested from this reporting onward.Source

On the record

  1. 9 Sept 2026 · Post · X

    I work on safety research at Anthropic because I hope my work will reduce the chance of these extinction-level bad outcomes.

    Scalable oversight lead, Anthropic at the time

    The same thread opens by saying AI developers believe their technology could cause human extinction.

    More Anthropic Employees Sound The Alarm About AI Safety Risks

  2. 9 Sept 2026 · Post · X

    many AI developer staff desperately want to slow down to figure out how to build AI more safely.

    Scalable oversight lead, Anthropic at the time

    From his thread replying to Jacob Coxon's resignation, written in a personal capacity, as quoted by HuffPost; the thread is at x.com/saprmarks/status/2097570226804011302.

    More Anthropic Employees Sound The Alarm About AI Safety Risks