Founder of a listed tool
Shawn Lewis
Co-founder, Weights & Biases (CoreWeave), named behind the W&B Weave listing on Anchor Terminal.
What Shawn 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
- Lukas Biewald Co-founder, Weights & Biases (CoreWeave)
- Phil Gurbacki VP of Product, Weights & Biases
Questions
Who is Shawn Lewis?
Shawn Lewis co-founded Weights & Biases in 2017 with Lukas Biewald and Chris Van Pelt and is a distinguished engineer there. The company began with an experiment tracking tool built to help train models at OpenAI and grew into a full MLOps platform, and CoreWeave acquired it in May 2025.
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 Shawn'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.