Anastasia Stasenko

Anastasia Stasenko is the co-founder and CEO of Pleias, a Franco-German startup developing full open-source small reasoning models trained exclusively on permissively licensed data. A senior associate lecturer in data analysis and digital strategy at Sorbonne-Nouvelle University, she coordinated the creation of Common Corpus, the largest fully open dataset for training LLMs, with over two trillion tokens. Under her leadership, Pleias built Albert, France’s first sovereign AI co-pilot for civil servants, and developed fully offline LLM assistants for frontline health workers and teachers in West Africa. She is an advocate for ethical, transparent and decentralised AI development.