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, an open multilingual dataset for LLM training with more than two trillion tokens, and led SYNTH, which produces open synthetic data at scale for sovereign AI models and agentic applications. She is also a Senior Associate Lecturer at Sorbonne Nouvelle University and came to AI through digital humanities and philosophy at the École Normale Supérieure.