Torsten Spiegelhalder

France—its culture, language and way of life—has fascinated Dr Frank Hagemann since his youth. It was therefore a fortunate coincidence when the Hamburg-based law firm Seelig, that later merged with FPS, was seeking support in trade mark law for the French market at just the right time, allowing him to combine his professional and personal interests. While his international work is wide-ranging, Dr Hagemann has always placed particular emphasis on maintaining and expanding his Fre...

Dr Jan Christoph Mosch, M.B.A., LL.M. specialises in corporate law, corporate contract law, M&A / real estate transactions and asset succession. Jan advises medium-sized companies, entrepreneurs and high-net-worth private individuals. Jan has always been enthusiastic about the complex issues of corporate law and the transaction business and has consistently focussed both his legal training and his work as a lawyer on these topics. He combines this experience with an entrepreneurial mindse...

Lawyer Associated Partner

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 ...

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.

Martin Schellenberg is a top attorney recognized by Best Lawyers in the practice area(s) of Public Law and Public Private Partnership. Martin, 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 Martin is held by other top lawyers in the same geographic and legal practice area.

Carsten Grau is a top attorney recognized by Best Lawyers in the practice area(s) of Private Equity Law. Carsten, who practices law in Hamburg, Germany, has been recognized since 2013. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Carsten is held by other top lawyers in the same geographic and legal practice area.

Dr Hendrik Bott is based in Hamburg and primarily advises on matters relating to real estate project development: from the acquisition of land, the establishment of building rights and the conclusion of neighbourhood agreements, to the awarding of construction, architect and project management contracts, claim management during the construction phase, and contractual coordination with property tenants. Another key area of his practice is advising fund assets and family offices on commercial t...

Dr Justus Jansen (Lawyer of the Year Litigation, Hamburg, 2020, Lawyer of the Year Trade Law, Hamburg, 2022) is heading the Dispute Resolution practice group at GSK Stockmann since 2014. The team has 23 members and is thus considered one of the largest dispute resolution teams in Germany with widely recognised expertise and track record in commercial, banking & finance, energy, international plant engineering and corporate disputes as well as in post-M&A disputes. In addition, investm...

Sebastian Siepmann is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Sebastian, 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 Sebastian is held by other top lawyers in the same geographic and legal practice area.