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Gillian Hadfield
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@ghadfield

Gillian Hadfield

@ghadfield
AI policy and alignment; integrating law, economics & computer science to build normatively competent AI that knows how to play well with humans
Washington, DC
gillianhadfield.org
Joined April 2009
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  • @ghadfield
    Gillian Hadfield
    @ghadfield
    17h
    Roughly 700 OpenAI agents hacked Hugging Face. METR and Redwood's independent investigation took three researchers and six days. IVOs exist to make that scrutiny routine. Last night California became the first state to start building the IVO sector. #AIGovernance #IVO
    @Fathom_org
    Fathom
    @Fathom_org
    Aug 31
    California wrote the country's first frontier AI transparency law with SB 53. Last night, the Legislature overwhelmingly passed SB 813, which builds the next piece: independent, third-party risk assessment for AI. 🧵
  • @ghadfield
    Gillian Hadfield
    @ghadfield
    Aug 26
    There's no reason to build AI if we can't deliver on its benefits to people. We can't deliver on benefits if enterprise can't trust the reliability and safety of AI. I'm so excited to see this new alliance to help build a verification ecosystem that is independent and responsive
    @pactai_org
    Partnership for Assurance, Credibility, and Trust
    @pactai_org
    Aug 26
    AI is redefining how the American economy works — how care gets delivered, how retailers serve customers, how businesses run. But our ability to verify these systems work as designed hasn't kept pace. Today, we're launching PACT AI to close that gap. 🧵
  • @ghadfield
    Gillian Hadfield
    @ghadfield
    Aug 26
    "I semi-jokingly called our efforts a 'slop-vestigation'". This is such a critical observation from one of the best in the business: we do not have systematic, reliable methods to evaluate and oversee AI agents and models. This is a critical motivation behind a regulatory
    @RyanGreenblatt
    Ryan Greenblatt
    @RyanGreenblatt
    Aug 26
    I was the main person doing transcript analysis for this investigation of the Hugging Face incident. My main takeaway: We don't have good approaches for understanding/overseeing the activity and aims of AI 'swarms'. I semi-jokingly called our efforts a "slop-vestigation" because
    1
  • @ghadfield
    Gillian Hadfield
    @ghadfield
    Aug 26
    Thanks to The National Law Review and Wickard for naming me to their 2026 Top 50 Legal Innovators in Academia. Congratulations as well to the other honorees, a strong group working across AI, law, and legal education.
    natlawreview.com
    The 2026 Top 50 Legal Innovators in Academia
    The National Law Review and Wickard are proud to announce the Top 50 Legal Innovators in Academia for 2026, a national recognition honoring the educators, administrators, researchers, and academic...
    3
  • @ghadfield
    Gillian Hadfield
    @ghadfield
    Aug 26
    A crib gets a safety sticker because someone independent tested it first, so parents don’t have to. We actually have that for almost everything else in kids’ lives. Ohio’s HB 628 would license independent verifiers to do it for AI. #AIGovernance #IVO
    @Fathom_org
    Fathom
    @Fathom_org
    Aug 24
    "When my kids were babies, I checked the crib for the safety sticker and the car seat for recalls... This time, there's no sticker to look for." An Ohio mom's letter in the @ClermontSun captures why the state is considering HB 628: independent, expert verification of AI. The