Dr. MD Castrillo holds a senior lecturer position in the Foreign Languages Department of the Universidad Nacional de Education a Distancia (UNED), Spain, where she teaches mainly in the areas of German as a Foreign Language, and CALL (Computer-Assisted Language Learning). She is a member of the ATLAS research group and her main research interests include computer-mediated communication, mobile learning, MOOCs and foreign language education. She has recently won the first national prize to the best MOOC (Massive Online Open Course) given by the Spanish Ministry of Education in the first edition of such prize (2013).