Founder of a listed tool
Lukas Biewald
Co-founder, Weights & Biases (CoreWeave), named behind the W&B Weave listing on Anchor Terminal.
What Lukas builds
W&B Weave B · Agent observability & evals
W&B Weave is CoreWeave Forge's tracing and evaluation service for LLM applications and agents. It takes traces from Python and TypeScript SDKs or an OTLP endpoint and exposes them through a REST Service API.
Co-founder, Weights & Biases (CoreWeave), researched 27 October 2026 · the people behind it
Works with
- Chris Van Pelt Co-founder; CISO per LinkedIn
- Phil Gurbacki VP of Product, Weights & Biases
- Shawn Lewis Co-founder, Weights & Biases (CoreWeave)
Questions
Who is Lukas Biewald?
Lukas Biewald co-founded Weights & Biases in 2017 with Chris Van Pelt and Shawn Lewis, led it as CEO until CoreWeave bought it in 2025, and is now its general manager. He earlier co-founded Figure Eight, formerly CrowdFlower, which Appen bought in 2019, and worked on search at Yahoo and Powerset.
What does Weights & Biases (CoreWeave) make?
Anchor Terminal lists W&B Weave from Weights & Biases (CoreWeave). W&B Weave is CoreWeave Forge's tracing and evaluation service for LLM applications and agents. It takes traces from Python and TypeScript SDKs or an OTLP endpoint and exposes them through a REST Service API.
How are Lukas's tools graded?
W&B Weave is graded B, 66.8 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.
Sources (11)
- https://wandb.ai/site/company/about-us/
- https://www.linkedin.com/in/phillipgurbacki/details/experience/
- https://www.linkedin.com/in/phillipgurbacki
- https://www.linkedin.com/in/chrisvanpelt/details/experience/
- https://www.linkedin.com/in/chrisvanpelt
- https://www.linkedin.com/in/lbiewald/details/experience/
- https://www.linkedin.com/in/shawn-lewis-asdzxc524a563/details/experience/
- https://wandb.ai/site
- https://wandb.ai/site/support/
- https://wandb.ai/site/contact
- https://wandb.ai/site/support
These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.