Maria Beatrice Ligorio is full professor at the University of Bari, Italy, where she teaches educational psychology and holds a specialist course on e-learning. Her main research interests include collaborative learning and socio-constructivism, educational technology, innovation in education, communities, the relationship between identity and learning, emotions in learning, intersubjectivity, blended learning, dialogic and trialogical approaches, virtual environments, and knowledge construction. She has more than 200 publications to her credit, including scientific articles in national and international journals, chapters and edited books. She was a member of the Executive Committee of the European Association for Research in Learning and Instruction (EARLI) and of the International Society of Cultural-Historical Activity (ISCAR).