Tanja de Bie is the Coordinator of the Community Moderator Team Leiden MOOCs at Leiden University. She studied History here in the early nineties, with a specialization in Early Modern & Contemporary History and American Studies. Tanja has a background in running online communities dedicated to roleplaying for more than 15 years. This is the expertise she applies to the MOOC communities of Leiden University, where she works for the Centre of Innovation.