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Callosum

Callosum is the Intelligent Systems Company. We believe the next generation of AI won't be defined by any single model or chip, but by intelligent systems in which hardware and intelligence co-evolve. We are building the infrastructure that unifies heterogeneous compute across the full stack.

London4 people
Latest round$100.0M · SeedAug 20, 2026Led by Atomico
Listed Aug 2026AI

Team4

NameLocationLinksContact
Danyal Akarca
Co-founder
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Jascha Achterberg
Co-Founder
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Alex Lewis
Talent
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Charlotte G.
Engineering Intern
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