Bristol startup directory
Explore startups, investors, and ecosystem operators in Bristol, United Kingdom.
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Graphcore
Graphcore is a Bristol-based semiconductor company founded in 2016 that designed the Intelligence Processing Unit (IPU), a processor architecture built from the ground up for machine learning and AI workloads. The company raised over $700 million from investors including Sequoia Capital, BMW, Microsoft, and Samsung, reaching a valuation above $2.5 billion. Graphcore developed both hardware and a Poplar software stack to compete with NVIDIA in the AI accelerator market. Its IPU technology represented one of Europe's most ambitious attempts to build a homegrown AI chip ecosystem.
Nigel Toon
Co-founder and CEO of Graphcore, the Bristol-based AI chip company building Intelligence Processing Units. A veteran semiconductor entrepreneur, he previously co-founded Picochip and XMOS.
Simon Knowles
Co-founder and CTO of Graphcore and the chief architect of its IPU processor. A serial chip designer, he co-founded Picochip and Element 14 before Graphcore.
