Anastasia Stasenko is co-founder and CEO of Pleias, a Franco-German lab developing data infrastructure for frontier AI systems. Under her leadership, Pleias created Common Corpus — the largest open multilingual dataset for LLM training at over 2 trillion tokens — and leaded the SYNTH, producing open synthetic data at scale for training sovereign AI models and agentic applications. A senior associate lecturer at Sorbonne-Nouvelle University, she came to AI through digital humanities and philosophy degree at the École Normale Supérieure