Mattias Wendel is Professor of Public Law and European Law at the University of Hamburg. His research focuses on public law in its European, international, and comparative dimensions. He is co-editor-in-chief of the journal Europarecht and serves on the editorial boards of the European Constitutional Law Review and the Cahiers de droit européen.

Mattias Wendel studied law at the University of Passau, Humboldt University Berlin, and the University of Paris 1 Panthéon-Sorbonne, and was an academic visitor at the University of Oxford. He earned his doctorate in 2010 from Humboldt University Berlin with a comparative study on the permeability of national and EU constitutional law, for which he received the Faculty’s Doctoral Thesis Prize. Together with his co-authors, he was awarded the 2016 Franco-German Parliamentary Prize by the Assemblée Nationale and the German Bundestag for a comparative study on French and German constitutional law. In 2017, he completed his habilitation with a study on administrative discretion in multilevel legal systems, with a focus on migration and regulatory law.

Before his current appointment, he was Professor at Bielefeld University (2018–2020) and Leipzig University (2020–2025). In 2021, he declined a professorship at the University of Freiburg. In March 2025, he was a visiting professor at Université Paris 2 Panthéon-Assas.