Frank Koch

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 ...

Lawyer, Accredited Specialist in EmploymentAssociated Partner

Lawyer, Accredited Specialist in Administrative Law Partner

Dr Menso Engelmann has been practising as a lawyer in the field of corporate law and M&A since 2008. He advises private individuals, strategic and financial investors, private equity funds, family businesses, joint ventures, and listed companies on all aspects of corporate transactions. He also provides guidance on transactions in the context of corporate crises and restructurings under transformation law, as well as on real estate transactions. In corporate law, his focus is on stock cor...

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...

Lars Bohlken is a top attorney recognized by Best Lawyers in the practice area(s) of Capital Markets Law and Corporate Law. Lars, 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 Lars is held by other top lawyers in the same geographic and legal practice area.

Thorsten Herms is a top attorney recognized by Best Lawyers in the practice area(s) of Restructuring and Insolvency Law. Thorsten, 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 Thorsten 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...

Lawyer, Accredited Specialist in Banking and Capital Markets Partner

Born in Pirmasens in 1973, Florian Werner studied civil engineering with a focus on structural engineering in Hamburg from 1994-1999. After several years as construction and project manager for a medium-sized foundation engineering company in Berlin and northern Germany, he came to Hamburg to study law. Mr. Werner has been a lawyer at ZENK since 2008 and a specialist in construction and architectural law since 2011. He specializes in private construction law and advises on planning, the award...