Sam Gregory

Sam Gregory is one of the most authoritative and compelling speakers on the societal impacts of AI, particularly generative AI, deepfakes, and the future of media authenticity. As Executive Director of WITNESS, a global organization that helps millions use video and emerging technology to defend human rights, Sam leads cutting-edge work at the intersection of AI, civic trust, and misinformation. He is best known for initiating the first civil society strategy to tackle synthetic media threats through his Prepare, Don’t Panic initiative, which helps governments, platforms, and civil society prepare for and respond to the growing influence of AI-generated video and imagery.

With over 20 years of experience bridging technology and human rights, Sam brings a unique blend of technical fluency, policy insight, and ethical perspective to every stage he speaks on. He has testified before both the U.S. Senate and House on AI and deepfakes, and his TED Talk on preparing for synthetic media has reached a global audience. He co-chairs the Partnership on AI’s Working Group on the Societal Influence of AI, serves on the Technology Advisory Board of the International Criminal Court, and advises governments, multilateral institutions, and major tech companies on AI policy and authenticity infrastructure.

Sam is frequently invited to speak at major forums such as the World Economic Forum in Davos, AI for Good, the White House, and Yale Law School. He is known for addressing both technical and non-technical audiences with clarity, urgency, and actionable recommendations. His keynote topics include the risks and potential of generative AI, building trust and authenticity into AI systems, the future of deepfakes and detection, and the broader ethical implications of AI on democracy, media, and human rights.

What sets Sam apart as an AI speaker is his ability to make complex issues accessible and urgent, while providing frameworks for navigating emerging risks and opportunities. He speaks with equal fluency to executives, engineers, policymakers, and creatives—equipping audiences not just to understand AI, but to act responsibly and strategically in its presence. With his depth of experience, real-world grounding, and global perspective, Sam Gregory is a standout speaker for any organization seeking thought leadership on AI and the future of truth.