Lukas Biewald
Lukas Biewald is an American entrepreneur in artificial intelligence, born in 1981. He co-founded Figure Eight, formerly CrowdFlower, in 2007, a company that created datasets for training machine learning models. In 2017 he co-founded Weights & Biases with Chris Van Pelt and Shawn Lewis. CoreWeave completed its acquisition of Weights & Biases in May 2025, and Xometry named him to its board in May 2026. Today he is senior vice president of AI initiatives at CoreWeave.
Timeline
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1981
An entrepreneur in artificial intelligence
He is born in 1981 and is an American entrepreneur in artificial intelligence.
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2007
Co-founding Figure Eight
He co-founds Figure Eight, formerly CrowdFlower, in 2007, a company that creates datasets for training machine learning models.
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2010
The GiveWork app award
In 2010 the Netexplorateur Award goes to him for creating the GiveWork iPhone app.
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2017
Co-founding Weights & Biases
He co-founds Weights & Biases in 2017 with Chris Van Pelt and Shawn Lewis.
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2019
Figure Eight sold to Appen
Appen acquires Figure Eight in 2019, the company he co-founded.
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May 2025
Weights & Biases joins CoreWeave
CoreWeave completes its acquisition of Weights & Biases in May 2025.
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May 2026
A seat on Xometry's board
Xometry names him to its board of directors in May 2026.
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As of October 2026
AI initiatives at CoreWeave
He is senior vice president of AI initiatives at CoreWeave.
Sources and credits
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