Dr. Stamatios Papadakis has been a postdoctoral researcher in Educational Technology, with an emphasis on mobile learning, at the Department of Preschool Education at the University of Crete, Greece, since 2016. He has worked in several international and national computational thinking and pedagogy projects for Pre-K to 16 Education. His scientific and research interests include the study of mobile learning, especially on using smart mobile devices and their accompanying mobile applications (apps) in Preschool and Primary Education, focusing on developing Computational Thinking and students’ understanding of numbers. Furthermore, he currently investigates how a STEM learning approach influences learning achievement through a context-aware mobile learning environment in the preschool classroom and explain the effects on preschoolers' learning outcomes. He is an ambassador for Scientix - The Community for Science Education in Europe and EU Code Week. He is an ESERA member, CSTA, EAI,IGIP, and the Union for Science and Technology (ENEPHET). He has published in scientific peer-reviewed journals and international conferences (including Computers & Education, Education and Information Technologies, Early Childhood Education Journal) and book chapters.