Dr. Tobias Mast is head of the research program “Regulatory Structures and the Emergence of Rules in Online Spaces” at the Leibniz Institute for Media Research | Hans-Bredow-Institut (HBI) since January 2022. His team investigates the rules under which new forms and practices of social understanding and self-assurance emerge in digital communication spaces, and especially in social networks.
After studying law at the University of Freiburg with a focus on information and media law, he completed his doctorate at the HBI with a thesis on the state’s public information activities from August 2015 until Ende of January 2019.
He completed his legal clerkship at the Hanseatic Higher Regional Court with stations at the Press Chamber of the Hamburg Regional Court, an internationally active commercial law firm and the Federal Constitutional Court. He then worked as a research assistant at the Federal Constitutional Court.
He is an associate editor at www.verfassungsblog.de and is pursuing a habilitation at the University of Mainz under the supervision of Prof. Dr. Matthias Bäcker. He is also a lecturer at the Universität Hamburg and an examiner in the state part of the first legal examination for the Hamburg Judicial Examination Office.
In January 2024, he was appointed as a Bundestag expert on German Digital Service Act for the execution of the EU Digital Services Act. He is also a lecturer at the Universität Hamburg and an examiner in the state section of the First Legal Examination for the Hamburg Judicial Examination Office.
Download list of publications and lectures in German (PDF) (March 2025)
