Lukas Biewald (born 1981) is an American entrepreneur and a prominent figure in artificial intelligence. He is recognized for his contributions to machine learning and as the CEO and co-founder of Weights & Biases,[1][2][3] a company that builds developer tools for AI. He previously founded and was CEO of Figure Eight, a human-in-the-loop machine learning platform. He has co-authored 26 AI research papers from 2004 through 2018.[4]
After graduation, Biewald joined Yahoo! as an engineer, working on machine translations to improve search results, and eventually led the Search Relevance Team for Yahoo! Japan.[2] He later joined Powerset,[8] a natural language search technology company, as their Senior Scientist, which was acquired by Microsoft in 2008 for an estimated $100M.[9][10]
In 2007, Biewald co-founded Figure Eight (formerly CrowdFlower), a data labeling and crowdsourcing company that created datasets for training machine learning models. Figure Eight was acquired by Appen in 2019 for $300million.[11]
Weights and Biases
In 2017, Biewald co-founded Weights & Biases with Chris Van Pelt and Shawn Lewis.[12] The company provides tools for tracking machine learning experiments, model management, and collaborative AI and LLM app development. The platform has been adopted by organizations such as OpenAI, Salesforce, and Microsoft.[13][14] Investors have valued the company at $1.25billion.[15]
Gradient Dissent
Biewald hosts the bi-weekly podcast Gradient Dissent. On the podcast, he interviews leaders in the AI space on how AI works in production. Guest have included:
In 2010, Lukas Biewald won the Netexplorateur Award for creating the GiveWork iPhone app, which allows users to perform small tasks that assist refugees and people in developing countries.[20]
In 2010, Inc Magazine included Biewald and Van Pelt on its list of the Top 30 Entrepreneurs Under 30.[21]
Publications
Ensuring quality in crowdsourced search relevance evaluation: The effects of training question distribution by John Le, Andy Edmonds, Vaughn Hester, Lukas Biewald. SIGIR 2010 Workshop on Crowdsourcing for Search Evaluation, July 2010.[22]
Superficial Data Analysis: Exploring Millions of Social Stereotypes by Lukas Biewald, Brendan O’Connor. O’Reilly July 2009[23]
Biewald has co-authored 26 AI research papers from 2004 through 2018.[4]
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