Moves
A running timeline of material personnel moves across the AI stack — foundings, departures, hires, and reshuffles where the role that changed materially affects the player or the stack.
Move
Rohlf joins Anthropic frontier red team
Chris Rohlf · Security veteran, previously at Yahoo and Meta → Member of Anthropic frontier red team
Move
Karpathy joins Anthropic
Andrej Karpathy · Co-founder, OpenAI → Member of technical staff, Anthropic pre-training team