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Founder

David Silver

Founder and CEO, Ineffable Intelligence; professor, University College London, as of 12 October 2026. Source: indexventures.com

Led the AlphaGo and AlphaZero teams at DeepMind; left in January 2026 to found Ineffable Intelligence, which raised a $1.1B seed round to pursue superintelligence through reinforcement learning instead of LLMs.

Role changes

  1. Ineffable Intelligence announces a $1.1B seed round at a $5.1B valuation with Silver as CEO cityam.com

  2. Reported to have left Google DeepMind, where he led reinforcement-learning research, to found Ineffable Intelligence (director since Jan 16, 2026) fortune.com

In the news

1 event on Post-Cutoff name David Silver, newest first.

  1. Business In its training data

    David Silver’s Ineffable Intelligence raises a $1.1B seed round at a $5.1B valuation to build a reinforcement-learning ‘superlearner’ without human data

Bio

British computer scientist. At DeepMind he led the teams behind AlphaGo and AlphaZero and the company’s reinforcement-learning research. No X account was verified for him.