Stefan Ullrich holds a doctorate in computer science and philosophy. He is an associate researcher in the research group “Digitalisation, Sustainability and Participation” at the Weizenbaum Institute for the Networked Society. He is also a consultant for the AI Ideas Workshop for Environmental Protection of the ZUG on behalf of the Federal Ministry for the Environment and is responsible for science communication and didactics of AI systems. He is the deputy spokesperson for the specialist group “Informatics and Ethics” of the German Informatics Society (GI e. V.). He is also an active member of the FIfF e. V. and sits on the board of the Bits & Bäume conference.