Chris Fall was picked to be the Trump administration’s leader of the US Center for AI Standards and Innovation (CAISI, previously called the AI Safety Institute until it was renamed last year) in April, but now CNBC and Reuters report he is out. The reasons for his departure are unclear, as is the role of CAISI in the administration’s constantly shifting priorities around AI. [Link: Head of US AI safety agency resigns | https://www.reuters.com/world/us/head-us-ai-safety-agency-resigns-2026-07-20/ | Reuters]