Kajetan Stobiecki earned a Bachelor's degree in History and Philosophy from the University of Warsaw, followed by a Master's degree in Global History from Humboldt University in Berlin. From 2022 to 2025, he was a research assistant at the Herder Institute for Historical Research on East Central Europe, working in the Collaborative Research Centre 138, 'Dynamics of Security'. His dissertation, titled Czech Bastion in the West? The Czech-German Conflict in Pilsen, 1860–1914”, was submitted at Justus Liebig University Giessen in February 2026.