
Snorkel AI
Co-Founder
via Snorkel AI
Researcher · Academic · Founder · Executive

Co-Founder and CEO at Snorkel AI
Affiliate Assistant Professor of Computer Science at University of Washington
Alex Ratner co-founded Snorkel, an influential effort to help AI teams build training data without hand-labeling every example. His research on data programming and weak supervision showed how rules and existing expert knowledge can train machine-learning models, easing a persistent bottleneck in putting AI to work.
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Snorkel AI
University of WashingtonWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: September 23, 2026