Marianthi Grizioti is a PhD student at the Department of Educational Studies of NKUA and a software developer in Educational Technology Lab. She was the developer of 'MaLT2' and 'ChoiCo' authoring systems, designed by the ETL. She has been involved in 3 European and 2 national projects as a junior researcher. Her research interests include game-based learning, human computer interaction, learning with digital technologies and design of digital learning environments.