Matt Prewitt.

Lawyer, writer, technologist. I work on what AI is for, who it should answer to, and who owns the information it’s made of.

01Writing

02Built

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Figleaf

Say what you mean without it being used against you.

figleaf.pro →

Hivemind’s Constitution

Binds an AI system to a purpose, not just a list of harms. Prudence governs.

03Work

  1. 2026Hivemind, model behavior & alignment
  2. 2025–RadicalxChange, co-founder & researcher
  3. 2025–OpenMined, attribution-based control
  4. 2023–Collective Intelligence Project, advisory council
  5. 2018–25RadicalxChange, president; co-founded with Glen Weyl, Vitalik Buterin, Audrey Tang & co.
  6. 2013–18Litigator at Orrick and Cuneo Gilbert; clerk to Judge Griesa, S.D.N.Y.

Convened RxC in DetroitBerlinDenverWarsawLondonOaklandPortland