Gottfried Zimmermann is professor of mobile user interaction at the Stuttgart Media University, Germany. His research and teaching focuses on human-computer interaction, in particular on usability and accessibility aspects. He leads the Responsive Media Experience (REMEX) research group where he heads national and international research projects on digital accessibility, personalization and eLearning. He is an ACM Senior Member, and author of numerous publications and standards. In the years 2014-2016, he received the most research funding among all professors in Stuttgart Media University. As coordinator of the MOOC Accessibility Partnership (2014-2017), he led the first European MOOC on digital accessibility, thus building up a new capacity on digital accessibility expertise in Europe.