Jens Frömming

Born in Hamburg in 1963, Jan Dietze studied law in Passau and at King’s College in London, UK, where he obtained his Diploma of Legal Studies. He also studied in Freiburg and at Europa-Kolleg in Bruges, Belgium, where he obtained the Diplôme D’Hautes Études Européennes. Jan Dietze has been a lawyer at ZENK since 1995. His practice focuses on corporate and commercial law and M&A. He also specializes in antitrust law and compliance. Mr. Dietze is a member of ...

Born in Göttingen in 1974, Dr. Stefanie Hartwig studied law in Kiel and Liège from 1994 to 1998 and completed her postgraduate studies in business law in Hamburg. Thereafter, she worked as a trainee lawyer in Hamburg and New York and as a research associate at the University of Hamburg. She completed her doctorate in 2002. Ms. Hartwig has been working as a lawyer since 2003, initially in a major international law firm and since 2005 at ZENK. Since 2007, she has also been a special...

Arnd Weisner is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law, Corporate Law, Litigation and Mergers and Acquisitions Law. Arnd, who practices law in Hamburg, Germany, has been recognized since 2022. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Arnd 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. Since 2006, Sonja Schulz has been a l...

Ulrich Möhrle is a top attorney recognized by Best Lawyers in the practice area(s) of Tax Law. Ulrich, who practices law in Hamburg, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Ulrich is held by other top lawyers in the same geographic and legal practice area.

Martin has worked in litigation and arbitration for more than fifteen years. He has extensive experience in representing clients before state courts and arbitral tribunals. As an experienced litigator, Martin represents national and international clients in commercial disputes before the German regional and higher regional courts. In the field of arbitration, he has conducted proceedings as counsel under various arbitration rules (including ICC, DIS, GMAA and in ad hoc proceedings). He also r...

Dr. Andrea Kröpelin is a partner and certified specialist in employment law at Möhrle Happ Luther . She advises national and international clients on all aspects of individual and collective employment law, including representation in court. Some of the key areas of her work are legal and strategic advice relating to restructuring and M&A projects, company co-determination law, global mobility and employee data protection. She also has a wide range of experience in advising phar...

Corinna Struck is a top attorney recognized by Best Lawyers in the practice area(s) of Corporate Law. Corinna, who practices law in Hamburg, Germany, has been recognized since 2021. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Corinna is held by other top lawyers in the same geographic and legal practice area.

Maria von Rosen is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Maria, 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 Maria is held by other top lawyers in the same geographic and legal practice area.

Daniel Hoppe advises and represents clients in Germany and abroad on all questions of intellectual property, in particular on patent and employee invention law as well as on the law of trade secrets. He has extensive experience in criminal investigations, which are essential in the prosecution of trade secret violations. He is the author of numerous professional publications on intellectual property law. He heads the Hamburg office of Bonabry.