Thomas Repka

Listed in "Best Lawyers Germany" for Public Law (Ranking Handelsblatt/Best Lawyers 2021)

Prof. Dr. Stefanie Hartwig, born in Göttingen in 1974, studied law in Kiel and Liège from 1994 to 1998 and then completed postgraduate studies in commercial law in Hamburg. After completing her studies, she was a trainee lawyer in Hamburg and New York and a research assistant at the University of Hamburg. She completed her doctorate in 2002. Ms. Hartwig has been working as a lawyer since 2003. She initially worked in a major international law firm and later joined ZENK. She has al...

Dr. Morten Dibbert is an attorney-at-law and tax advisor at Möhrle Happ Luther . His practice focuses on tax and corporate law. He advises nationally and internationally active companies, particularly in the areas of restructuring, M&A and corporate tax issues. Dr. Dibbert regularly publishes academic articles on tax law topics. Before joining Möhrle Happ Luther, he worked for many years in leading law firms in the field of tax law.

Joachim Jung is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law and Data Security and Privacy Law. Joachim, who practices law in Hamburg, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Joachim is held by other top lawyers in the same geographic and legal practice area.

Lawyer, Accredited Specialist for Public Procurement Law Partner

Lawyer Partner

Johanna Jülicher-Sieg is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Defense. Johanna, who practices law in Hamburg, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Johanna is held by other top lawyers in the same geographic and legal practice area.

Jan Tobias Hartmann is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Jan Tobias, who practices law in Hamburg, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jan Tobias is held by other top lawyers in the same geographic and legal practice area.

Sonja Schulz was born in Bremen in 1976. She studied law in Münster and Leuven, Belgium. She completed her practical training in Münster, Washington D.C. and Brussels. In addition, she completed an education in Anglo-American law, a subject-specific foreign language training, postgraduate studies in European law and training in change management. In 2003 she received a Master of European and Comparative Law from the University of Ghent, Belgium. She has been a lawyer at ZENK since 2...

Born in Hamburg in 1963, Alexander Baden studied from 1982-1988 in Passau and Hamburg. He has been with ZENK Rechtsanwälte since 1990. Today, he focuses on real estate law and project development and is responsible for providing support for complex transactions. From 2011-2018, Mr. Baden was Chairman of the Supervisory Board of BEOS AG, Berlin. For several years running, he has been listed as one of Germany’s top business lawyers in the ranking table “Germany’s Best Law...