Lukas Biewald, Angel Investor

Lukas Biewald is General Manager of Weights & Biases at CoreWeave, building tools for AI developers. He previously co‑founded Weights & Biases, a leading machine learning development platform, and Figure Eight (formerly CrowdFlower), a training data company acquired by Appen for $428M. Earlier in his career, he worked as a senior scientist at Powerset. Lukas has built a reputation as a founder and operator in AI and data infrastructure, consistently creating products that empower developers and accelerate machine learning adoption. As an angel investor, Lukas has made about 13 investments. His portfolio includes Mem0, Sophont, Fastino, Nomic AI, Lambda Labs, Runway, Twelve Labs, and Chartable, reflecting his focus on AI, SaaS, and developer‑centric platforms.