Mistral’s Three Founders Become First AI Billionaires in France

Sept. 11, 2025, 10:07 AM UTC

The three founders of Mistral AI emerged as France’s first artificial intelligence billionaires after a funding round valued the tech firm at €11.7 billion ($13.7 billion).

Arthur Mensch, the 33-year-old chief executive officer, Timothee Lacroix, 34, and Guillaume Lample, 34, each have a net worth of $1.1 billion, according to the Bloomberg Billionaires Index. That wealth stems from each of them holding at least an 8% stake in Mistral, which they set up in Paris in 2023.

Timothee Lacroix, Arthur Mensch and Guillaume Lample in 2023.
Photographer: Khanh Renaud/Abaca/Sipa Press/AP Photo

A spokesperson for the company didn’t respond to requests for comment.

Mistral is completing a Series C round to raise €1.7 ...

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