Bernd Schumann

Born in Brühl in 1965, Dr. Rolf Zeißig studied law in Bonn, Hamburg and Berlin. He was a research assistant at the Department of Labor and Social Law at the University of Potsdam and obtained a doctorate in labor law on the subject of “The Conservation of the Status Quo of Works Council Agreements in the Event of Termination”. Dr. Zeißig has worked as a lawyer since 1996 and as a specialist in labor law since 1999. He has been with ZENK since 2002. Dr. Zeißi...

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

Lawyer Partner

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

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

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

Ulrike Grübler focuses on Intellectual Property with an emphasis on Trademark Law, Design Law and Copyright Law was well as Unfair Competition Law. She is an experienced IP litigator and has particular expertise in the development and enforcement of national and international brand strategies as well as the handling of brand portfolios. Ulrike advises brand owners on the full lifecycle of their Intellectual Property rights. This includes strategic advice, availability searches as well as...

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...

Wilhelm Bellut is a top attorney recognized by Best Lawyers in the practice area(s) of Arbitration and Mediation. Wilhelm, who practices law in Berlin, Germany, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Wilhelm is held by other top lawyers in the same geographic and legal practice area.

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