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Lukas Biewald

Lukas Biewald
Founder and Chief Data Scientist , Weights & Biases


Lukas Biewald is the founder and CEO of CrowdFlower. Founded in 2007, CrowdFlower provides Labor-on-Demand to help companies outsource high-volume, repetitive tasks to a massively-distributed global workforce.

Before founding CrowdFlower, Lukas was a senior scientist and manager within the Ranking and Management Team at Powerset, Inc., acquired by Microsoft in 2008. He led the Search Relevance Team for Yahoo! Japan after graduating from Stanford University with a B.S. in Mathematics and an M.S. in Computer Science. Recently, Lukas won the Netexplorateur Award for GiveWork – a collaboration with Samasource that brings digital work to refugees worldwide. Lukas is also an expert level Go player.


Data Science
Ballroom AB
Lukas Biewald (Weights & Biases)
Average rating: ***..
(3.83, 6 ratings)
Data scientists know how hard it is to collect, categorize and label vast amounts of data. But some smart data scientists are effectively leveraging the human intelligence of the crowd to solve these problems, resulting in better training of machine learning models and improved system performance. Read more.
Office Hour
Table A
Lukas Biewald (Weights & Biases)
Interested in crowdsourcing? Meet with Lukas to discuss how to collect large data sets or conduct big data experiments using the crowd. Or train machine-learning models using results from the crowd. Find out how to augment, label, and categorize data sets using microtasking. Read more.