
Rohan PandeyResearcher
Periodic Labs
Member of Technical Staff
via Periodic Labs
Researcher · Founder · Executive
Co-founder at Periodic Labs
Fedus co-created the Switch Transformer, which showed how a language model could grow to a trillion parameters without using every part of the model for every word. That work helped make mixture-of-experts a practical route to scaling AI. After contributing to T5 at Google, he co-founded Periodic Labs.
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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 8, 2026