Alexander Steen studied mathematics and computer science at Freie Universität Berlin. He subsequently worked as a research assistant at the Dahlem Center for Robotics and Machine Learning at FU Berlin, where he developed the award-winning AI software "Leo-III" as part of his doctoral thesis. He was awarded the title of Junior Fellow of the German Informatics Society (GI) in 2015. After completing his PhD in Artificial Intelligence, he moved to the University of Luxembourg in 2018 to conduct research on computational normative reasoning (AI and law). Since 2022, Alexander Steen is Junior Professor of Computer Science at the University of Greifswald, focusing on basic research in the field of symbolic AI and on applications of such AI systems e.g. in law. Since the end of 2022 he is Fellow of the Academy of Sciences in Hamburg. In 2023, Alexander will lead the largest German AI conference, KI 2023, as PC Co-Chair.