Prof. Nathalie Sinclair is the Canada Research Chair in Tangible Mathematics Learning at Simon Fraser University and member of the Royal Society of Canada’ 'College of New Scholars. She is the author of several books, including co-author of Mathematics and the Body: Material Entanglements in the Classroom, as well as more than 60 peer-reviewed articles. She has also led the design of educational technologies, including the touchscreen app TouchCounts and dynamic geometry microworlds for young learners (www.sfu.ca/geometry4yl). She is the founding editor of the journal Digital Experiences in Mathematics Education.