Stéphane Cottin is the chief registrar of the Constitutional Council of France. Formerly, he was the creator of the documentation office, then of the website of the institution. He teaches legal research to both students in the Institut d'études politiques de Paris (Sciences-Po) and professionals with the association of French documentation specialists (ADBS). He received a LLM in public law, and a special diploma (DESS) in computerized documentation. He has published several articles in French and in English in law reviews, and a guide, 'Petit guide d'accès à l'information juridique française'.