Portrait Christian Ollig

Christian Ollig, LL.M., Maître en Droit

Postdoc Researcher Media Law

Christian Ollig works as post doc resarcher at the Leibniz Institute for Media Research | Hans-Bredow-Institut since 2025. Before, he had been working as a research assistant at the Chair of Media Law and Public Law including its Legal Theoretical Foundations at the Law Faculty of Universität Hamburg since October 2021. He supported Prof. Dr. Schulz in research and teaching and coordinates the work between Universität Hamburg and the Leibniz Institute for Media Research | Hans-Bredow-Institut.

Christian Ollig studied law at the Heinrich Heine University Düsseldorf, the Université de Cergy-Pontoise and received his title Master of Laws LL.M. at the College of Europe in Bruges. His studies were supported by the German National Academic Foundation, the Federal Ministry of Education and Research and the Franco-German University.

He gained practical experience at the European Parliament, Freshfields Bruckhaus Deringer in Düsseldorf (public commercial law), Taylor Wessing in Berlin (IT and media law), Clifford Chance in Düsseldorf and Jeantet in Paris (both corporate law).

His research focuses on European media law, constitutional law and comparative law.

Contact information

Christian Ollig, LL.M., Maître en Droit

Postdoc Researcher Media Law

Leibniz Institute for Media Research, Hans-Bredow-Institut
Warburgstraße 30b
20354 Hamburg

Last update: 12.11.2025

Works by Christian Ollig, LL.M., Maître en Droit

Cover of the article written by Anna von Garmissen published on January 10th, 2026 on the media platform of epd Medien: "Gefährliche Abwärtsspirale. Zur Lage des Journalismus in Deutschland"
Publikation Article in epd Medien

Studies on the State of Journalism in Germany

What is the state of journalism in Germany? In her article for epd Medien, Anna von Garmissen discusses three recent studies on the state of journalism in Germany. According to von Garmissen, the findings are thought-provoking and, when considered together, should be alarming to all of us.

Hände tippen auf Laptop-Tastatur, darüber eingeblendete Symbole für Text, Dokument, Lupe und Auszeichnung mit Häkchen.
Beitrag Media Research Blog Post

Platform Badges for Civic Communication

How can platforms address distortions in the digital attention economy without restricting free expression excessively? This blog post explores how new incentive structures can promote constructive communication on digital platforms and the potential of the Digital Services Act to facilitate such interventions.

Cover of the Publication
Publikation Chapter in Anthology

Contextualized Repertoire Maps in Media Usage Research

In their article, Dr. Lisa Merten and Prof. em. Dr. Uwe Hasebrink present contextualized repertoire maps as a method for recording media repertoires based on a study on news usage and discuss their possibilities and limitations in media usage research. Their article is part of the anthology “Researching Media, Data, and Networking Practices: Methodological Concepts and Research Software.”

Publication by Jan-Ole Harfst in the special edition
Publikation Special Edition of the Bonner Rechtsjournal

Communication Risks in Online Environments

How can German democracy remain resilient in the face of the communicative threats posed by the digital space? Jan-Ole Harfst's article shows that communicative threats on the internet cannot be countered at the national level alone, but require supranational protection of democracy, and assesses the significance of the Digital Services Act in this context.

Publikation Internet Policy Review

Can Quality Badges Improve Communication on Online Platforms?

A seal of approval for civil communication could promote successful public communication on online platforms while respecting users'freedoms. In their article 'Platform Badges for Civic Communication. An Interdisciplinary Discussion of a Risk Mitigation Measure Pursuant to Art.', Jan Rau, Jan-Ole Harfst and Dr. Tobias Mast examine various design options for such seals.

Cover of the publication
Publikation Open Access Publication

Global Media and Internet Concentration

The report offers a thorough overview of the development, economic importance, and market concentration of major companies in Germany's telecommunications, media, publishing, and internet sectors from 2019 to 2023. It places a particular focus on the growing dominance of digital platforms.

Cover der Zeitschrift "Medien & Kommunikationswissenschaft" Heft 4/2025
Publikation Available Open Access

Issue 4/2025 M&K published

Issue 4/2025 of our open access journal “Medien & Kommunikationswissenschaft" (M&K; Media & Communication Studies) has been published online via the platform Inlibra.

Cover of the Book Chapter
Publikation Chapter in Cohesion Report

The Climate Discourse on Social Media

The Social Media Observatory (SMO) examined the dynamics of climate discourse on social media for the Research Institute Social Cohesion's (RISC) second cohesion report. The study found that climate scepticism and misinformation are common in social media debates. However, it is evident that these views are significantly less prevalent in wider society.

The cover of the article "Fertility Preservation from the Patient's Perspective: Areas of Conflict and Information Needs in Social Media," published in the journal Die Onkologie
Publikation Article in the Journal Onkologie

Perspectives of Cancer Patients on Fertility Preservation Measures

Fertility preservation is a key challenge for cancer patients. A qualitative content analysis of social media posts offers insights into patient experiences and provides guidance for needs-based fertility counseling.

Cover of the Working Paper
Publikation Working Paper Available for Download

Algorithmic Competence of Young People on TikTok

A new qualitative #UseTheNews study by the Leibniz Institute for Media Research examines what teenagers and young adults know about how TikTok's algorithmic recommendation system works.

Cover of the publication
Publikation Open Access Publication

Information Systems and Troubled Democracy

Internet freedom has declined for 14 consecutive years. This publication examines how principles for regulating information ecosystems are being implemented, as well as the challenges faced by public institutions and other stakeholders in their efforts to combat misinformation and disinformation.

Screenshot of the article by Dr. Gregor Wiedemann, AVISO, issue no. 81 (Fall 2025)
Publikation Article in aviso I Informationsdienst der DGPuK

AI and Research: Harnessing Potential, Understanding Risks

In his contribution, Gregor Wiedemann highlights the ambivalences that can arise from the use of AI tools in communication science research processes, as well as the necessity of precise risk assessment in this context.

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