Percy Liang
Stanford professor and director of CRFM; creator of Marin, first author of HELM, Together AI founder
- Professor of Computer Science (and courtesy in Statistics); Director, Center for Research on Foundation Models, Stanford University12
- Founder, Together AI7
Percy Liang is a Professor of Computer Science (and, by courtesy, Statistics) at Stanford University and the director of Stanford's Center for Research on Foundation Models (CRFM). Liang created Marin, an effort to build models through open development in which experiments, successful and failed, are recorded publicly, and co-teaches CS336, Language Modeling from Scratch, with Tatsunori Hashimoto. Liang is first author of the HELM paper on holistic evaluation of language models, and Together AI's leadership page lists Liang as a founder.123457
Work
MarinOpen-source code
Created Marin, per Liang's homepage; the project's README names Stanford CRFM and Open Athena as its core collaborators.13
HELM (Holistic Evaluation of Language Models)Open-source code
First author of the HELM paper (2022); the open-source framework was created by Stanford CRFM.56
CS336: Language Modeling from Scratch (external site: stanford-cs336.github.io)Published research
Listed as an instructor, with Tatsunori Hashimoto, of Stanford's CS336 course in Spring 2026.4
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