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Move co-founder Sam Blackshear exits Mysten Labs to lead defensive security research at Anthropic

Aug 6, 2026By ClusterWire.news· AI-assisted news brief

Move creator and Mysten Labs co-founder Sam Blackshear said he is leaving Mysten Labs to join Anthropic, where he will work on defensive security research. Blackshear also said he will continue as an adviser to Mysten Labs and Sui ecosystem builders and remain involved with the planned Move Foundation [1] [2].

The reporting notes that Mysten Labs’ technical direction responsibilities will be taken over by EvanWeb3 following Blackshear’s departure. Multiple outlets also framed the move as part of a broader emphasis on security expertise, including in the context of AI development [1] [3] [4].

Blackshear’s transition to Anthropic is positioned as a shift toward defensive security research, while he retains advisory roles across Mysten Labs, Sui builders, and the Move Foundation effort [1] [2].

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