Mingzhu received her MA and PhD from OISE/ University of Toronto. She studied computer-based multimedia for her MA thesis and OISE / UT online graduate-level discourse in different sizes of classes and three group configurations for her doctoral dissertation. She is interested in conducting systematic and scientific studies of online education from pedagogical, technical and theoretical perspectives. She is also interested in studying multimedia learning theories and practices, especially in their applications for online education and teacher education. She has been involved in Pepper development from the very beginning and now she is interested in designing studies about new Pepper features which will foster collaborative knowledge building discourse pedagogically, technically and theoretically. (Updated 09/2016).