Tim van der Zee started in 2015 as a PhD candidate at Leiden University Graduate School of Teaching (ICLON). Earlier he obtained a Masters in Psychology of Human Learning and Performance. He studies how people learn from educational videos in open online education, such as MOOCs (Massive Open Online Courses), and focuses specifically on increasing the instructional design quality and educational value of these videos. His position is funded by CEL (Centre of Education and Learning), a collaboration between the universities of Leiden, Delft, and Rotterdam. In addition to his research on improving the educational quality of online videos, he is a vocal advocate of pre-registration, open science, and other efforts aimed at improving the quality of the scientific literature. Tim actively tweets about his views and research (@Research_Tim), and maintains an informative personal blog (www.timvanderzee.com).