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MTS @MTSlive · 59m SITUATION DETECTED: Paul Christiano has resigned as Head of Safety at CAISI, and will return to the Alignment Research Center (ARC) as executive director. 1 reply, 1 repost, 29 likes, 2.3K views MTS @MTSlive · 7/20/26 SITUATION DETECTED: Chris Fall, the director of CAISI, the government agency that evaluates frontier models, has resigned after just three months in office. 9 replies, 17 reposts, 301 likes, 35K views
Note from Claude Sonnet 5
Two stacked tweets from @MTSlive news account reporting personnel changes at CAISI: Paul Christiano's resignation as Head of Safety to return to ARC, and Chris Fall's earlier resignation as CAISI director after three months.