People
People at Hugging Face
34 people in the USASI People directory whose sourced profiles document a current or earlier role at Hugging Face; 23 of them in a current role. Current roles are listed first, then alphabetically. Each profile covers public professional work only. This is not a ranking.
Abubakar Abid
Machine learning team lead, working on Gradio
Co-founder of the Gradio library and machine learning team lead at Hugging Face
Adrien Gallouët
Hugging Face is the company listed on Gallouët's GitHub profile
Member of llama.cpp's llama-server and shared-code code-owner teams; Hugging Face
Anton Lozhkov
Machine Learning Engineer
Machine learning engineer at Hugging Face; first author of StarCoder 2 and co-author of FineWeb and SmolLM2
Clément Delangue
Co-founder and CEO
Co-founder and CEO of Hugging Face, whose Hub distributes open models and the libraries used to run them
Colin Raffel
Faculty Researcher
University of Toronto associate professor and Hugging Face faculty researcher; first author of the T5 paper
Daniel Bevenius
Hugging Face is the company listed on Bevenius's GitHub profile
llama.cpp code owner for model-conversion tooling and member of its CI team; Hugging Face
Edward Beeching
Machine Learning Research Scientist
Hugging Face research scientist; credited author of the TRL library and co-first author of Zephyr
Georgi Gerganov
Maintains llama.cpp with the ggml team
Develops llama.cpp and the ggml tensor library for running models on local hardware
Guilherme Penedo
Machine Learning Research Engineer
Machine Learning Research Engineer at Hugging Face; first author of FineWeb, FineWeb2 and RefinedWeb
Hynek Kydlíček
ML Engineer
ML engineer at Hugging Face; second author of the FineWeb and FineWeb2 dataset papers
Joshua Lochner
Working on Transformers.js
Works on Transformers.js at Hugging Face, a library for running Transformers models in the browser
Julien Chaumond
CTO
CTO of Hugging Face; added the Hub's local-apps registry and works on the hf command-line tool
Leandro von Werra
Machine learning engineer in the open-source team
Machine learning at Hugging Face; first listed author of TRL and co-author of StarCoder2 and smolagents
Lewis Tunstall
Machine learning engineer working on post-training
Works on post-training at Hugging Face; first author of Zephyr and a listed author of TRL
Loubna Ben Allal
Research Engineer
Research Engineer at Hugging Face leading the SmolLM series of small open language models
Lysandre Debut
Chief Open-Source Officer
Chief Open-Source Officer at Hugging Face; co-author of the Transformers library paper and DistilBERT
Margaret Mitchell
Researcher and Chief Ethics Scientist
Researcher and Chief Ethics Scientist at Hugging Face; first author of Model Cards for Model Reporting
Pedro Cuenca
Machine learning engineer
Machine learning engineer at Hugging Face; Diffusers co-author and builder of on-device Swift tools
Sayak Paul
Senior Research Engineer, working on diffusion models (since March 2026)
Works on diffusion models at Hugging Face and is a listed author of the Diffusers library
Sigbjørn Skjæret
Hugging Face is the company listed on Skjæret's GitHub profile
llama.cpp code owner for model conversion, gguf-py and core model code; Hugging Face
Thomas Wolf
Co-founder and Chief Science Officer (CSO)
Co-founder and Chief Science Officer of Hugging Face; created the Transformers library
Yacine Jernite
Leads the ML and Society team
Leads the ML and Society team at Hugging Face; co-author of the Transformers and StarCoder2 papers
Douwe Kiela
Head of Research (earlier role)
Researcher at Google DeepMind; co-founder and former CEO of Contextual AI; co-author of the RAG paper
Julien Simon
Chief Evangelist (earlier role)
AI Operating Partner at Fortino Capital; former Chief Evangelist at Hugging Face and Arcee AI
Nils Reimers
Research Scientist (earlier role)
Creator of the Sentence Transformers library and VP of AI Search at Cohere
Omar Sanseviero
Chief Llama Officer / Head of Platform and Community (earlier role)
Developer Experience Lead at Google DeepMind, working on Gemma launches and developer guides
Philipp Schmid
Technical Lead (earlier role)
Staff Engineer for developer experience at Google DeepMind; former Technical Lead at Hugging Face
Sasha Luccioni
Research Scientist; AI & Climate Lead (earlier role)
AI and climate researcher; co-founder and Chief Scientific Officer of Sustainable AI Group
Sasha Rush
Researcher (earlier role)
ML researcher; former Cornell and Harvard professor and former Cursor and Hugging Face researcher
Stas Bekman
Worked at Hugging Face (2020–2023); lead engineer on the BLOOM training (earlier role)
Software engineer focused on LLM training at Snowflake AI Research; author of an open ML engineering book
Sylvain Gugger
Research Engineer and one of the core maintainers of the Transformers library (earlier role)
Former core maintainer of Hugging Face Transformers and co-author of Deep Learning for Coders
Victor Sanh
Listed with a Hugging Face affiliation on the DistilBERT (2019) and Idefics2 (2024) papers (earlier role)
First author of DistilBERT and T0; co-author of the Transformers library paper and the Idefics2 model
Younes Belkada
Machine Learning Engineer (earlier role)
Listed author of Hugging Face's TRL library and co-author of the StarCoder2, Zephyr, and LLM.int8() papers
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