Studied art history, currently studying provenance research and the history of collecting in Bonn, as well as art education and cultural management in Düsseldorf. Research assistant at the Research Center for Provenance Research, Art and Cultural Property Law at the University of Bonn since 2024. Completed a three-month internship with Monika Löscher in the summer of 2025, provenance researcher at the Kunsthistorisches Museum Vienna on behalf of the Commission for Provenance Research.
Moritz Rothberger began an apprenticeship as a tailor at his father Jacob Rothberger's textile company located on Stephansplatz in Vienna in 1885. After his father's death in 1899, Moritz took over the company together with his brothers Alfred (1873–1932) and Heinrich.