Sam Gregory

executive director WITNESS

Sam Gregory is an award-winning human rights advocate and technologist, and an expert on innovations in preserving trust, authenticity and evidence in an era of increasingly complex audiovisual communication and deception. He has testified to both the US House and Senate on AI, deepfakes and media transparency and is a TED speaker on how to prepare better for deceptive AI. As Executive Director of the human rights network WITNESS, he leads their strategic plan to “Fortify the Truth,” and champions their global team who support millions of people using video and technology for human rights and civic journalism.

Sam served on the ICC Technology Advisory Board and co-chaired the Partnership on AI’s Expert Group on AI and the Media and the Threats and Harms Taskforce of the Coalition for Content Provenance and Authenticity (C2PA). Widely quoted in the media, he has also published in WIRED and The Hill. He taught the first course at Harvard on participatory media and human rights from 2010-18, and in 2024 he completed his PhD at the University of Westminster which focused on participatory media, AI and trust. He is a Board member of the Scott Trust.

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Events in past editions

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