Sam Gregory

Sam Gregory is an award-winning technologist, media-maker, and advocate. As the Executive Director of WITNESS, Sam leads the organization’s five-year strategic plan to “Fortify the Truth” and champions WITNESS's global team of activists and partners who support millions of people using video and technology globally to protect and advance human rights. Sam is a trusted authority on new forms of mis/disinformation and media manipulation such as deepfakes and synthetic media, as well as innovations in preserving trust, authenticity, and evidence in an era of increasing audiovisual communication. In 2018, he initiated “Prepare, Don’t Panic” the first global effort to ensure policies, technologies, and infrastructure built to respond to deepfakes and generative AI reflect and are inclusive of globally diverse perspectives. He co-chaired the Partnership on AI’s Expert Group on AI and the Media, and taught from 2010-18 the first Harvard course on participatory media and human rights.