Timothée Lacroix
Co-founder and CTO of Mistral AI; co-author of Meta's LLaMA paper
- Co-founder and CTO, Mistral AI1
Timothée Lacroix is a co-founder and the CTO of Mistral AI, according to the company's about page. Lacroix is a co-author of LLaMA: Open and Efficient Foundation Language Models (2023), whose authors are listed with a Meta AI affiliation, and first author of Canonical Tensor Decomposition for Knowledge Base Completion (2018). Lacroix co-authored the Mistral 7B and Mixtral of Experts papers, which say the models are released under the Apache 2.0 license, and is listed among the authors of Devstral (2025), a paper from Mistral AI and All Hands AI.123456
Work
LLaMAPublished research
Co-author of LLaMA: Open and Efficient Foundation Language Models (2023), which introduces foundation models from 7B to 65B parameters and says all models were released to the research community.2
Mistral 7B and Mixtral 8x7B (external site: arxiv.org)Open weights
Co-author of the Mistral 7B (2023) and Mixtral of Experts (2024) papers; both abstracts say the models are released under the Apache 2.0 license. Also listed among the authors of Devstral (2025), a Mistral AI and All Hands AI paper.456
Other documented roles
Roles the sources document but that are not confirmed as current.
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