About SubstrateSubstrate is the critical infrastructure layer between AI and biology. AI for biology has a data problem, not a compute problem: biological foundation models can predict but cannot experiment, and the large-scale, high-quality data they need does not exist. We are building the lab that generates it, with quality and provenance built in. We are not a CRO and we are not a cloud lab.The company was founded by Mostafa ElSayed, co-founder and CEO; Oli Hoy, who leads the lab buildout an
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£45,000 – £60,000 (Glassdoor, Levels.fyi, 2025)
