David Silver
UCL professor and former Head of Reinforcement Learning at Google DeepMind; creator of AlphaGo and AlphaZero; founded Ineffable Intelligence in 2025.
Last refreshed: 1 May 2026 · Appears in 1 active topic
What is David Silver building at Ineffable that he could not build at DeepMind?
Timeline for David Silver
Founded Ineffable Intelligence and led the seed round
UK Startups and Innovation: Ineffable lands $1.1bn seed, SAIU rides minority- Who is David Silver and why is he significant in AI?
- David Silver is a British computer scientist who led reinforcement-learning research at Google DeepMind, creating AlphaGo and AlphaZero. He is now the founder of Ineffable Intelligence, a London AI lab that raised $1.1 billion at seed in April 2026.Source: https://techcrunch.com/2026/04/27/deepminds-david-silver-just-raised-1-1b-to-build-an-ai-that-learns-without-human-data/
- What did David Silver do at Google DeepMind?
- Silver led DeepMind's reinforcement-learning team and was the lead researcher on AlphaGo (2016) and AlphaZero (2017), systems that mastered Go, chess and shogi by playing themselves rather than learning from human games.Source: https://techcrunch.com/2026/04/27/deepminds-david-silver-just-raised-1-1b-to-build-an-ai-that-learns-without-human-data/
- Why did David Silver leave DeepMind to start Ineffable Intelligence?
- Silver left to pursue a mission he described as 'making first contact with superintelligence' by building models that learn without any human-generated training data. Ineffable raised $1.1 billion in seed funding before it had a product.Source: https://techcrunch.com/2026/04/27/deepminds-david-silver-just-raised-1-1b-to-build-an-ai-that-learns-without-human-data/
- Is David Silver still at UCL?
- Yes. Silver holds a professorship in reinforcement learning at University College London and maintained that role while founding Ineffable Intelligence in 2025.Source: https://techcrunch.com/2026/04/27/deepminds-david-silver-just-raised-1-1b-to-build-an-ai-that-learns-without-human-data/
Background
David Silver is a Professor of Reinforcement Learning at University College London and spent more than a decade at Google DeepMind, where he led the reinforcement-learning research programme. His most significant contributions are the AlphaGo (2016) and AlphaZero (2017) systems: AlphaGo was the first computer programme to defeat a reigning world champion at Go, Lee Sedol, in a five-game match in March 2016; AlphaZero subsequently taught itself chess, shogi and Go from scratch, surpassing AlphaGo within 24 hours. Silver was the lead author on the landmark Nature papers for both systems.
Silver completed his PhD at the University of Alberta under Rich Sutton, one of the co-founders of modern reinforcement learning, and joined DeepMind in 2013, shortly before Google acquired the London lab. He is a Fellow of the Royal Academy of Engineering and has received the ACM Prize in Computing. His theoretical contribution, the Silver–Huang–Maddison framework for Monte Carlo tree search combined with deep networks, underpins most current game-playing and planning AI systems. He returned to a UCL chair while founding Ineffable Intelligence in 2025.
In April 2026 Silver raised a $1.1 billion seed round for Ineffable Intelligence at a $5.1 billion valuation, the largest seed in European history, before the company had a product or customers. The round rests on Silver's track record: Sequoia Capital and Lightspeed Venture Partners treated it as a bet on his ability to recruit and his proven capacity to deliver systems that previously seemed impossible. His UCL affiliation remained intact, continuing the model of academic–commercial hybridity he practised throughout the AlphaGo era.