Nigel Toon

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Nigel Toon is CEO and co-founder of Graphcore, a British semiconductor company that develops processors for artificial intelligence and machine learning workloads. He co-founded Graphcore in 2016 with Simon Knowles, after the two had previously worked together at another semiconductor company, building a team in Bristol, UK to design a processor built specifically for machine intelligence, known as the Intelligence Processing Unit (IPU). Under his leadership, Graphcore raised successive funding rounds from investors including Bosch, Sequoia Capital, Microsoft and BMW, reaching unicorn status in 2018, and later became a wholly owned subsidiary of SoftBank Group Corp. He is known for leading Graphcore's development and commercialization of IPU hardware for AI computing.

Updated 7 August 2026

Public sources: graphcore.ai Wikipedia

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