Stephen “Cas” Casper is a final-semester PhD student at MIT and a Harvard Berkman Klein Fellow. Previously, he was also a research resident at the UK AI Security Institute. He is a writer for the International AI Safety Report and the Singapore Consensus. He also leads a research stream with the MATS program. His work focuses on technical challenges in AI safeguards, evaluations, and risk management, with an emphasis on informing policymakers about best technical practices for managing AI risks. His research has been recognized with a Hoopes Prize, an ML Safety Workshop best paper award, a BioSafeGenAI best paper runner-up, a GenLaw spotlight paper award, a TMLR outstanding paper finalist distinction, and a few dozen mentions in news articles and newsletters. You can find more information on his Google Scholar and website.