Justine Ryst

Based in Paris, Justine oversees the coordination of teams to make YouTube the leading video destination, promote the quality and diversity of content creation, and help make it the best international stage for creators and users alike. Prior to becoming head of YouTube France in 2017 and then Southern Europe in 2024, Justine Ryst led the development of Twitter in France, providing support to organizations and public figures in media, politics, sports, music, and entertainment in their use of the platform. Before joining Twitter in 2013, Justine served as the Director of Digital and Diversification at Endemol-Shine France. Her role involved developing digital offshoots of TV formats as well as original productions for new media. She began her professional career at Netsize, a subsidiary of the Gemalto Group. Justine is a graduate of NEOMA Business School and the University of Belgrano in Buenos Aires.