Founder Profile
Timothée Lacroix
Last reviewed: October 2026 · By Swet Parvadiya
Who is Timothée Lacroix?
Timothée Lacroix is a founder of Mistral AI SAS, which was founded in 2023 with Arthur Mensch and Guillaume Lample.
- Company founded
- Mistral AI SAS
- Founded
- 2023
- Co-founders
- Arthur Mensch and Guillaume Lample
Background
Former Meta AI Research Engineer.
Founding Story
Timothée Lacroix co-founded Mistral AI in 2023. Also hailing from Meta's elite AI lab, he provided the absolutely critical engineering expertise required to efficiently train massive language models. His focus on optimizing training infrastructure allowed Mistral to rapidly release models that directly competed with OpenAI at a fraction of the development cost. (Exact birth year remains publicly undisclosed).
Sources
This profile does not yet cite a source specific to Timothée Lacroix. The sources below document the company company rather than the person, so check them against the claims above.
- CNBC - Mistral bags $24 billion valuation as Samsung leads funding (Mistral AI SAS)
- CNBC Disruptor 50 2026 - Mistral (Mistral AI SAS)