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Semafor TechPublished: Oct 17, 2026, 01:00 JST

GLG fights deepfakes as AI expert demand surges

GLG fights deepfakes as AI expert demand surges

3 Key Points

  1. What happened

    GLG CEO Gemma Postlethwaite says "anybody who knows anything about AI" is in high demand, and impostors are using deepfakes and AI chatbots to pose as experts. GLG is adding screening, ID verification and on-camera questions designed to trip up AI avatars.

  2. Why it matters

    Investors relying on expert networks to play the AI trade may be paying for advice from people who are not who they claim to be, so verification now decides whether that input can be trusted.

WHO IT HITSInvestors and analysts who buy expert-network calls to inform AI bets are the ones exposed if a purported specialist turns out to be a deepfake or a chatbot operator. Subject-matter experts in sensitive fields such as child psychiatry and bioweapons may see new paid work helping AI labs train models.

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Context & Analysis

The pressure comes from investors trying to play the AI trade, who according to GLG CEO Gemma Postlethwaite will hire "anybody who knows anything about AI." That appetite is what makes the role worth faking, and the fakes now arrive in forms that did not exist before: AI avatars on a video call, or a person quietly running answers through an AI chatbot.

GLG's response treats expertise as something to be fingerprinted rather than asserted. The firm is adding screening and ID verification, increasingly on camera with questions designed to trip up AI avatars, and it parses transcripts for moments when somebody's expertise goes off-piste, which Postlethwaite describes as a digital fingerprint of knowledge.

A second business sits alongside the verification work. GLG is connecting frontier AI labs with subject-matter experts for sensitive training topics, naming child psychiatrists who can craft responses to kids in crisis and nuclear or bioweapon experts who can respond to bad actors looking for instruction manuals.

FAQ
How is GLG checking whether an expert is real?
It is doing additional screening and ID verification, increasingly on camera with questions designed to trip up AI avatars, and parsing transcripts for signs an expert's knowledge is going off-piste.
What kind of experts is GLG supplying to AI labs?
It is connecting frontier AI labs with subject-matter experts for sensitive subjects, such as child psychiatrists who can craft responses to kids in crisis and nuclear or bioweapon experts to respond to bad actors seeking instruction manuals.
Why is demand for AI experts so high?
According to GLG CEO Gemma Postlethwaite, "anybody who knows anything about AI" is in high demand from investors trying to play the AI trade.

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