Lukas Biewald is an AI infrastructure founder who co-founded Weights & Biases, a developer tooling company acquired by CoreWeave in May 2025, and now serves as SVP of AI Initiatives at CoreWeave. Lukas Biewald's Twitter Score is 42 out of 1000 as of August 2026, ranking #21,881 (top 5%) among 483,944 tracked accounts.
Lukas Biewald co-founded Weights & Biases, which built experiment tracking and model management tools widely used by AI developers. The company raised a Series C of more than $100 million at a $1 billion valuation in 2021, per public reporting, and secured a further $50 million strategic investment in 2023 that valued it at $1.25 billion. CoreWeave, which listed publicly on Nasdaq under the ticker CRWV in March 2025, completed its acquisition of Weights & Biases on May 5, 2025.
Lukas Biewald also co-founded Figure Eight, formerly known as CrowdFlower, a data labeling platform that was acquired by Appen in 2019. Beyond his founding roles, he serves as a Member of the Board of Directors at Xometry. Lukas Biewald's account has published 3,859 posts and has been mentioned by 96 accounts a total of 290 times.
Who follows Lukas Biewald on X?
The accounts that follow Lukas Biewald include 186 founders, 53 angel investors, 22 influencers and 16 VCs, among them Marc Andreessen, Andrej Karpathy, Garry Tan, Tommy, Elad Gil and Andrew Chen.