General Manager of Weights and Biases / CoreWeave
Lukas Biewald is a prominent figure in the AI and machine learning industry, currently serving as the General Manager of Weights and Biases at CoreWeave. He is the co-founder and former CEO of Weights & Biases, a company providing developer tools for AI, which was acquired by CoreWeave. Biewald also co-founded Figure Eight (formerly CrowdFlower), an ML training data labeling company that was sold to Appen, and is an active angel investor in various AI and tech startups.
Twitter24.5K
LinkedIn14.6K
General Manager of Weights and Biases
Angel Investor
Founder, CEO
Founder, CEO
Senior Scientist
Relevance Engineer, Engineering Manager
Research Assistant
Engineer
MS
Core technical and professional competencies inferred from career history and entrepreneurial ventures.
A factual summary of Lukas Biewald's career, focusing on his founding roles and current executive position following acquisitions.
Weights & Biases was acquired by CoreWeave in October 2025, following its founding in January 2018.
Figure Eight, which he co-founded in December 2007, was sold to Appen in March 2019.
He is an active angel investor with a portfolio of 17+ investments in various AI and tech startups.
As of the latest data, his Twitter/X profile has 24.5K followers, and his LinkedIn profile has 14.6K followers.
BS
Artificial Intelligence, Machine Learning Tools, Cloud Computing Infrastructure
Venture Capital, Data Labeling, Search Technology
Visionary, Entrepreneurial, Data-Driven, Technical Leader
AI Infrastructure, Developer Experience, Scaling Startups
Male 75.0%, Female 25.0%
25-34 (45.0%), 35-54 (30.0%), 18-24 (15.0%)
US (40.0%), IN (15.0%), GB (10.0%), CA (5.0%)
San Francisco (5.0%), New York (3.0%), London (2.0%)
24.5K followers
