
Dzmitry BahdanauResearcher
Periodic Labs
AI Research Scientist
via Periodic Labs
Researcher
Passos contributed to widely used machine-learning tools including scikit-learn and TensorFlow. He also developed data echoing, a technique that reuses training examples when loading data is slower than computation, and later worked on ChatGPT search and guidance for safely deploying AI agents.
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Periodic LabsWork and education history is primarily focused on AI-relevant roles and may not be comprehensive.
Last editorial review: August 7, 2026