Gerhard Nitz

Claudia Gehricke, born 1986 in Berlin, studied law at the European University Viadrina in Frankfurt/Oder and at the University of Essex, UK. She completed her legal traineeship in Berlin at the Court of Appeal and was already working at ZENK’s Berlin office during her traineeship. Further stages of her legal traineeship took her to the Federal Ministry of Economics and an international business enterprise, among others. Claudia Gehricke has been a lawyer at ZENK since 2015. She is a sal...

Lawyer Partner

Constanze Püschel is a top attorney recognized by Best Lawyers in the practice area(s) of Biotechnology Law and Life Sciences Practice. Constanze, who practices law in Berlin, Germany, has been recognized since 2024. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Constanze is held by other top lawyers in the same geographic and legal practice area.

Lawyer Partner

Anu Elina Birkefeld is a top attorney recognized by Best Lawyers in the practice area(s) of Labor and Employment Law. Anu Elina, who practices law in Berlin, Germany, has been recognized since 2026. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Anu Elina is held by other top lawyers in the same geographic and legal practice area.

Born in Göttingen in 1966, Dr. Martin Düwel studied law and history in Regensburg, in Aberdeen, UK and at the Free University of Berlin. From 1994 to 1998, he worked as a research assistant at the Institute for State Studies, Constitutional and Administrative Law. He has been active as a lawyer in Berlin since 1996. In 1999, he received his doctorate in constitutional law on the subject of of “Oversight Powers of the Federal Constitutional Court in Constitutional Complaints ag...

Jörg Michael Siecke is a lawyer and partner at the Berlin office of Friedrich Graf von Westphalen & Partner. He advises on real estate transactions with a focus on commercial real estate, in particular retail and light industrial. He further assists with sale and purchase agreements and legal due diligence cases as well as other aspects of real estate law (commercial tenancy law, neighbor law, broker law). He speaks German and English.

Stefan Proske is a partner of HEUKING KÜHN LÜER WOJTEK since 2012. Before he worked for various law firms in the areas of insolvency administration and pre-insolvency consultation. Today Stefan Proske provides comprehensive legal advice and representation on all legal aspects of crisis/reorganization/insolvency. Besides representation of creditors he regularly advices companies in reorganization, their directors and investors in distressed situations. Stefan Proske regularly publish...

Jens Hackl is a top attorney recognized by Best Lawyers in the practice area(s) of Competition / Antitrust Law. Jens, who practices law in Berlin, Germany, has been recognized since 2020. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Jens is held by other top lawyers in the same geographic and legal practice area.

Silke Köhler is a top attorney recognized by Best Lawyers in the practice area(s) of Mergers and Acquisitions Law and Real Estate Law. Silke, who practices law in Berlin, Germany, has been recognized since 2023. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Silke is held by other top lawyers in the same geographic and legal practice area.