Stef van Grieken
Founder · Investor
Now Co-founder and CEO, Cradle
Latest on AI4S.fyiTimeline · Jan 7Bayer signs a three-year deal to use Cradle's protein-design software across its antibody pipelineAccount links back to cradle.bio · Avatar from their X account, taken 2026-10-01
Investment relationships shown here are limited to companies and funding rounds tracked by AI4S.fyi; they are not a complete investor portfolio.
Affiliations
Current
- Co-founder and CEO · Cradle
Also named in the companies' announcements: Google Brain, Google
Current roles come from these dated records, not from the bio below. Each links the page it was read from.
About
Stef van Grieken is co-founder and CEO of Cradle, which makes machine-learning tools for designing and optimising proteins. Before Cradle he worked at Google on machine learning and AI models at Google X and Google Brain. He holds a master's in industrial engineering and management from the University of Groningen (2014).
Read on 2026-09-29; for current roles see Affiliations above. Read at: cradle.bio ↗ · rug.nl ↗
Founded
CradleProtein design · 2021 · 3 rounds on record · disclosed $97M + €5.5M · Series B $73MBackground: Google (Google X, Google Brain) (as the company's own announcements put it)
Co-founders: Jelle Prins, Eli Bixby, Elise de Reus, Harmen van Rossum
Backed byIVPIndex VenturesKindred Capital
Linked funding records
Axiom BioDrug discoveryAngel investor · source ↗
On the timeline
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