Dr Gero Ziegenhorn



Studied law in Würzburg, Leuven and Lausanne. 2003 first State examination, 2007 second State examination. 2008 doctoral degree with Prof Dr Dr Udo Di Fabio. Research assistant at the Chair of Udo Di Fabio, Institute for Public Law of Bonn University in 2003–2005, focus on German and European constitutional law.

Joined the firm in 2008.


Data protection law, public economic law, Money Laundering Law, European law.

Listed as top attorney in data protection law (2019) by WirtschaftsWoche and listed by Best Lawyers/​Handelsblatt in “Germany's best lawyers” in Data Security and Privacy Law and Public Law (since 2021).

Accredited expert (CEPE L) for the European Privacy Seal (EuroPriSe), member of the Gesellschaft für Datenschutz und Datensicherheit e. V. (GDD), member of the International Association of Privacy Professionals (IAPP), member of the Working Group for Administrative Law of the German Bar Association, Berlin – Brandenburg – Mecklenburg‑​Western Pomerania Regional Group.

Lecturer for data protection law at the FernUniversität in Hagen.

Comprehensive advice in the area of data protection law and acting as legal counsel for companies and groups such as Coca‑​Cola Europacific Partners, business associations such as the Bundesverband Deutscher Inkasso‑​Unternehmen e. V. (Federal Association of German Debt Collectors – BDIU) and scientific organisations; legal advice and acting as counsel regarding Binding Corporate Rules und Codes of Conduct under the GDPR, data protection audits and certifications; in‑​house trainings on data protection law.

Legal advice and acting as legal counsel in proceedings before data protection authorities; advice to various European bodies, federal and state authorities on data protection law; many years of experience in litigation before administrative courts representing online providers and in matters regarding data protection law.


Publications on data protection and European law.



German, English, French

¹ member of the partnership with limited professional liability

Dr Gero Ziegenhorn

Dr Gero Ziegenhorn

T +49 30 885665‐196
F +49 30 885665‐99


Laureen Pempel