Weights and Biases's mission is to build tools for Machine Learning practitioners. Weights and Biases software helps Machine Learning teams track their models, datasets and experiments and is used and loved by over 70,000 practitioners. Weights and Biases (W&B) was founded by Lukas Biewald, Shawn Lewis, and Chris Van Pelt in 2018.

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Funding Events

Date	Amount	Type	Investors	Valuation
02/01/21	$45,000,000	Series B	Bloomberg Beta Coatue Management Insight Partners Jeff Hammerbacher Nat Friedman Pieter Abbeel Richard Socher Tom Preston Werner Trinity Ventures	undisclosed
10/14/21	$100,000,000	Series C	Bond Coatue Management Felicis Ventures Insight Partners	$1,000,000,000