Lukas Biewald is the Founder of Weights & Biases. He is also a co-founder and former CEO of CrowdFlower. Prior to co-founding CrowdFlower, Lukas was a Senior Scientist and Manager within the Ranking and Management Team at Powerset, Inc., a natural language search technology company later acquired by Microsoft. Lukas has also led the Search Relevance Team for Yahoo! Japan. He graduated from Stanford University with a BS in Mathematics and an MS in Computer Science. Lukas is also an expert-level Go player.