We are happy to announce that the keynote speaker for HCI SI will be Prof. Dr. Jürgen Ziegler.

Jürgen is a senior full professor in the Faculty of Computer Science at the University of Duisburg-Essen where he is conducting research in the field of Intelligent Interactive Systems. His main research interests lie in the areas of human-computer interaction, human-AI cooperation, recommender systems, social media, and information visualization.