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Researcher · Academic · Founder · Executive

Alex Ratner

Alex Ratner portrait

Co-Founder and CEO at Snorkel AIAffiliate 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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Background

Current roles
Co-Founder and CEO Mar 2019-present
Affiliate Assistant Professor of Computer Science 2020-present
About this data

Work and education history is primarily focused on AI-relevant roles and may not be comprehensive.

Last editorial review: September 23, 2026

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Citation snapshot on Sep 23, '269,277Sep 23, '26
9,277citations as of Sep 23, '26
For today’s citation count and citations per paper, visit Google Scholar.