Snorkel AI builds expert-developed training data, benchmarks, evaluations, and simulated environments for frontier AI labs, enterprises, and other teams building specialized AI systems.

Founders

• Alex Ratner · Co-Founder & CEO
  Before Snorkel AI and the University of Washington, he completed a Ph.D. in computer science at Stanford, where he started and led the Snorkel open-source project.
• Chris Ré · Co-Founder
  He is an associate professor of computer science at Stanford and an award-winning researcher in data-based theory and machine learning.
• Paroma Varma · Co-Founder and Head of Research
  She earned her doctorate in electrical engineering from Stanford University, where her research focused on making machine learning accessible to domain experts without large training datasets.
• Braden Hancock · Co-Founder and Head of Technology
  Before Snorkel, he spent four years developing programmatic approaches to labeling, augmenting, and structuring training data with the Stanford AI Lab, Facebook, and Google, and previously did NLP and ML research at Johns Hopkins University and MIT Lincoln Laboratory.
• Henry Ehrenberg · Co-founder
  Before Snorkel AI, he was tech lead for Facebook Applied AI's representation-learning team; he earned a master's degree from Stanford and a bachelor's degree from Yale.

Founded

2019

Headcount

201-500 employees

Business model

Snorkel sells finished expert-developed data products, datasets, benchmarks, evaluations, and environments through a data-as-a-service model, alongside custom development engagements, rather than charging customers for human labor.

Customers

Google, Stanford University, Amazon Web Services, UC Berkeley, Microsoft, Brown University, Anthropic, University of Washington, Mistral AI, OpenAI, University of Wisconsin, Apple, Intel, Stanford Medicine

Competitors

Scale AI, Mercor, Surge AI