Sam Gregory

Sam Gregory is an internationally recognized, award-winning technologist, researcher, and human rights advocate, and an expert on smartphone witnessing, human rights work using video and technology, deepfakes, media authenticity, and generative AI. He has testified to both Houses of the US Congress on AI and synthetic media and is a TED speaker on how to prepare better for the threat of deepfakes. Currently Executive Director of the global human rights organization WITNESS, he has over twenty years experience at the forefront of practices, impact and innovations in video, technology, human rights, civic participation and media. Sam initiated the first globally focused effort to 'Prepare, Don't Panic' around deepfakes and multimodal generative AI and is widely known and consulted as an advocate, researcher, and speaker on deepfakes, Generative AI's promise and perils, innovation in how to understand media authenticity and provenance, and emerging forms of mis/disinformation.