← Back to PeopleRPResearcherRebecca PortnoffLinkedInWebsiteDr. Rebecca Portnoff is an internationally recognized expert at the intersection of artificial intelligence, child safety, and technology governance.1Mentions1Articles1OutletsArticlesMost recent firstMentioned InReferenced in coverageGeoffrey Hinton and 100+ AI experts signed a public letteraievaluatorforum.orgcautiousSep 21, 2026“Signed a public letter on AI safety and embedded evaluations.”