Arthur Mensch / Mistral AI — AI Researcher

**Arthur Mensch** is the co-founder and CEO of **Mistral AI**, Europe's most important AI company, valued at **$6 billion (Dec 2024 funding round)**. He studied at **École Polytechnique** (France's most prestigious engineering school) and worked at **Google DeepMind** on large language models before founding Mistral in 2023 with Timothée Lacroix and Guillaume Lample, both also ex-DeepMind/Meta researchers. At 33, he became **France's first AI billionaire**.