Sander is junior professor for Digital Humanities at the Friedrich Schiller Universität Jena (DE). He received his PhD in educational technology from the Technische Universität Dresden (DE). Until 2019 he headed the Department for Media Design at the Media Center at the TU Dresden and the junior research group UrbanHistory4D. Sander has been involved as 3D modeler and IT architect in various historical 3D reconstruction projects. His main research areas are visual digital humanities, 3D modeling and visualization, scientometrics, educational technologies and knowledge transfer. Amongst other activities, Sander is the strategic lead of the Time Machine scouting service, was co-convenor of the workgroup for Digital Reconstruction of the German Association for Digital Humanities (www.digitale-rekonstruktion.info), spokesman of the German network on “3D reconstruction methods for architectural history” and is an expert member of ICOMOS CIPA (www.cipa.icomos.org).