Alexander Prenninger is a senior researcher at the Ludwig Boltzmann Institute for Digital History (LBIDH), a lecturer at the University of Salzburg and a board member of b.a.s.e. – Büro für angewandte Sozialforschung und Entwicklung, Salzburg.

He studied history and French at the universities of Salzburg, Reims and Vienna. 1995-2017 he was a freelancer at the Ludwig Boltzmann Institute for Historical Social Science (LBIHS), Vienna-Salzburg, 2000-2002 staff member of the Austrian Historical Commission, 2006-2009 project staff member at the History Department of the University of Salzburg, and 2007-2012 coordinator of the “Mauthausen Survivors Research Project” (MSRP).

In 2015-2017 he was a key researcher in a project on the camp society of Mauthausen Concentration Camp (“„Kriminelle“ und „asoziale“ Häftlinge in der Lagergesellschaft des KZ Mauthausen (1938-1945)” (““Criminals” and “asocial” prisoners in the camp society of Mauthausen Concentration Camp (1938-1945)“, 2015-2017 Anniversary Fund of the Oesterreichische Nationalbank) started at the Ludwig Boltzmann Institute for Historical Social Science (LBIHS) and completed at the Ludwig Boltzmann Institute for History and Society (LBIGG). In parallel he worked on his dissertation on evacuation transports in the final phase of the concentration camp system, completed in 2018.

Since joining LBIDH he has been involved in the project “Visual History of the Holocaust: Rethinking Curation in the Digital Age” (2019-2023, EU Horizon 2020), to which he still contributes additions in 2024. Alexander Prenninger is also working on the editorial completion of the publication series on the “Mauthausen Survivors Research Project” (MSRP) and on the preparation of a new research project.