Trump’s AI Safety Chief Is Out — After Just 90 Days on the Job

The Commerce Department’s CAISI director Chris Fall resigned after just 90 days, leaving NIST Director Arvind Raman to serve as acting head while a permanent replacement is sought; the article outlines CAISI’s role in evaluating advanced AI models with major developers and warns that continued leadership turnover could slow or complicate development of U.S. AI testing standards amid growing international competition and security concerns.